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Finding the Fourth Proportional to 13,397.04, 20,092.68 and 8,397

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Solution

The fourth proportional to 13,397.04, 20,092.68 and 8,397 is: 12,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.04 : 20,092.68 = 8,397 : x
  2. Step 2: Convert to fraction form
    13,397.04/20,092.68 = 8,397/x
  3. Step 3: Cross multiply
    13,397.04x = 20,092.68 × 8,397
  4. Step 4: Simplify right side
    13,397.04x = 168,718,233.96
  5. Step 5: Solve for x
    x = 168,718,233.96/13,397.04
  6. Step 6: Final answer
    x = 12,593.69

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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.