Finding the Fourth Proportional to 14,608.16, 21,910.08 and 5,372
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Solution
The fourth proportional to 14,608.16, 21,910.08 and 5,372 is: 8,057.21
Step by Step Solution
- Step 1: Write the proportion equation
14,608.16 : 21,910.08 = 5,372 : x - Step 2: Convert to fraction form
14,608.16/21,910.08 = 5,372/x - Step 3: Cross multiply
14,608.16x = 21,910.08 × 5,372 - Step 4: Simplify right side
14,608.16x = 117,700,949.76 - Step 5: Solve for x
x = 117,700,949.76/14,608.16 - Step 6: Final answer
x = 8,057.21
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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.