Missing Number in Proportion Calculator

Work with steps - Find Missing Number in Proportion

Question:
Find the unknown value of x in the proportion.
3:6 :: x:10
Answer:

step 1

Write the given ratios in fraction form

3:6 =

x:10 =

x10

step 2

Find the Means & Extremes

x10

3 x 10 = x x 6
Extremes = 3, 10
Means = 6, x

step 3

Rearrange the statement to find x

x =

3 x 106

x = 5

step 4

The missing term in the proportion is 5
Therefore the proportion is 3:6 = 5:10

More Questions & Answers

Find Missing Value	Value of
3:6 :: x:10	x = 5
120:80 :: 90:x	x = 60
45:80 :: 90:x	x = 160
150:300 :: x:120	x = 60
20:x :: 70:63	x = 18
30:90 :: x:18	x = 6
7:4 :: 49:x	x = 28
20:15 :: 40:x	x = 30
50:2.5 :: 100:x	x = 5
24:100 :: 60:x	x = 250
25:x :: 75:12	x = 4
2:5 :: x:10	x = 4
15:x :: 45:285	x = 95
8:x :: 32:12	x = 3
39:2 :: n:4	n = 78
120:x :: 60:175	x = 350
60:80 :: 12:x	x = 16
x:15 :: 72:90	x = 12
45:x :: 18:40	x = 100
3:9 :: 15:n	n = 45

Missing number in the proportion calculator that shows work to find the unknown value of number in the given proportion. The step-by-step calculation help parents to assist their kids studying 4th, 5th or 6th grade to verify the work and answers of writing missing number in a proportion homework and assignment problems in pre-algebra or in ratios and proportional relationships (RP) of common core state standards (CCSS) for mathematics.

Missing Number in Proportion Calculator

Work with steps - Find Missing Number in Proportion

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