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Finding the Fourth Proportional to 11,187.92, 15,434.15 and 8,952.93

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Solution

The fourth proportional to 11,187.92, 15,434.15 and 8,952.93 is: 12,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.92 : 15,434.15 = 8,952.93 : x
  2. Step 2: Convert to fraction form
    11,187.92/15,434.15 = 8,952.93/x
  3. Step 3: Cross multiply
    11,187.92x = 15,434.15 × 8,952.93
  4. Step 4: Simplify right side
    11,187.92x = 138,180,819.79
  5. Step 5: Solve for x
    x = 138,180,819.79/11,187.92
  6. Step 6: Final answer
    x = 12,350.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.