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Finding the Fourth Proportional to 17,773.61, 24,528.29 and 9,815.58

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Solution

The fourth proportional to 17,773.61, 24,528.29 and 9,815.58 is: 13,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,773.61 : 24,528.29 = 9,815.58 : x
  2. Step 2: Convert to fraction form
    17,773.61/24,528.29 = 9,815.58/x
  3. Step 3: Cross multiply
    17,773.61x = 24,528.29 × 9,815.58
  4. Step 4: Simplify right side
    17,773.61x = 240,759,343.68
  5. Step 5: Solve for x
    x = 240,759,343.68/17,773.61
  6. Step 6: Final answer
    x = 13,545.89

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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.