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Finding the Fourth Proportional to 10,908, 15,052.50 and 6,654.15

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Solution

The fourth proportional to 10,908, 15,052.50 and 6,654.15 is: 9,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908 : 15,052.50 = 6,654.15 : x
  2. Step 2: Convert to fraction form
    10,908/15,052.50 = 6,654.15/x
  3. Step 3: Cross multiply
    10,908x = 15,052.50 × 6,654.15
  4. Step 4: Simplify right side
    10,908x = 100,161,592.88
  5. Step 5: Solve for x
    x = 100,161,592.88/10,908
  6. Step 6: Final answer
    x = 9,182.40

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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.