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Finding the Fourth Proportional to 11,652.60, 17,473.72 and 4,251.88

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Solution

The fourth proportional to 11,652.60, 17,473.72 and 4,251.88 is: 6,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.60 : 17,473.72 = 4,251.88 : x
  2. Step 2: Convert to fraction form
    11,652.60/17,473.72 = 4,251.88/x
  3. Step 3: Cross multiply
    11,652.60x = 17,473.72 × 4,251.88
  4. Step 4: Simplify right side
    11,652.60x = 74,296,160.59
  5. Step 5: Solve for x
    x = 74,296,160.59/11,652.60
  6. Step 6: Final answer
    x = 6,375.93

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Why These Related Problems?

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