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Finding the Fourth Proportional to 19,737.52, 29,620.88 and 9,349.28

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Solution

The fourth proportional to 19,737.52, 29,620.88 and 9,349.28 is: 14,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.52 : 29,620.88 = 9,349.28 : x
  2. Step 2: Convert to fraction form
    19,737.52/29,620.88 = 9,349.28/x
  3. Step 3: Cross multiply
    19,737.52x = 29,620.88 × 9,349.28
  4. Step 4: Simplify right side
    19,737.52x = 276,933,900.97
  5. Step 5: Solve for x
    x = 276,933,900.97/19,737.52
  6. Step 6: Final answer
    x = 14,030.84

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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.