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Finding the Fourth Proportional to 18,177.70, 27,252.15 and 9,969.70

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Solution

The fourth proportional to 18,177.70, 27,252.15 and 9,969.70 is: 14,946.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.70 : 27,252.15 = 9,969.70 : x
  2. Step 2: Convert to fraction form
    18,177.70/27,252.15 = 9,969.70/x
  3. Step 3: Cross multiply
    18,177.70x = 27,252.15 × 9,969.70
  4. Step 4: Simplify right side
    18,177.70x = 271,695,759.86
  5. Step 5: Solve for x
    x = 271,695,759.86/18,177.70
  6. Step 6: Final answer
    x = 14,946.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.