Proportion Calculator

Enter Calculation

a : b = c : d

This calculator solves the proportion a:b = c:d for any unknown value.

Enter values for any three of a, b, c, or d. Leave the unknown value blank.

Example: For 2:4 = 3:x, enter a=2, b=4, c=3, and leave d blank.

Results

Calculated D
6
A: 2
B: 4
C: 3
D: 0

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