Finding the Fourth Proportional to 10,086.29, 13,919.11 and 5,610.09
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Solution
The fourth proportional to 10,086.29, 13,919.11 and 5,610.09 is: 7,741.95
Step by Step Solution
- Step 1: Write the proportion equation
10,086.29 : 13,919.11 = 5,610.09 : x - Step 2: Convert to fraction form
10,086.29/13,919.11 = 5,610.09/x - Step 3: Cross multiply
10,086.29x = 13,919.11 × 5,610.09 - Step 4: Simplify right side
10,086.29x = 78,087,497.99 - Step 5: Solve for x
x = 78,087,497.99/10,086.29 - Step 6: Final answer
x = 7,741.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.