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Finding the Fourth Proportional to 10,178.35, 15,346.02 and 10,115.17

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Solution

The fourth proportional to 10,178.35, 15,346.02 and 10,115.17 is: 15,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.35 : 15,346.02 = 10,115.17 : x
  2. Step 2: Convert to fraction form
    10,178.35/15,346.02 = 10,115.17/x
  3. Step 3: Cross multiply
    10,178.35x = 15,346.02 × 10,115.17
  4. Step 4: Simplify right side
    10,178.35x = 155,227,601.12
  5. Step 5: Solve for x
    x = 155,227,601.12/10,178.35
  6. Step 6: Final answer
    x = 15,250.76

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.