Finding the Fourth Proportional to 13,349.26, 20,010.57 and 6,316.75
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Solution
The fourth proportional to 13,349.26, 20,010.57 and 6,316.75 is: 9,468.82
Step by Step Solution
- Step 1: Write the proportion equation
13,349.26 : 20,010.57 = 6,316.75 : x - Step 2: Convert to fraction form
13,349.26/20,010.57 = 6,316.75/x - Step 3: Cross multiply
13,349.26x = 20,010.57 × 6,316.75 - Step 4: Simplify right side
13,349.26x = 126,401,768.05 - Step 5: Solve for x
x = 126,401,768.05/13,349.26 - Step 6: Final answer
x = 9,468.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.