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Finding the Fourth Proportional to 11,892.54, 17,839.01 and 4,500.48

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Solution

The fourth proportional to 11,892.54, 17,839.01 and 4,500.48 is: 6,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,892.54 : 17,839.01 = 4,500.48 : x
  2. Step 2: Convert to fraction form
    11,892.54/17,839.01 = 4,500.48/x
  3. Step 3: Cross multiply
    11,892.54x = 17,839.01 × 4,500.48
  4. Step 4: Simplify right side
    11,892.54x = 80,284,107.72
  5. Step 5: Solve for x
    x = 80,284,107.72/11,892.54
  6. Step 6: Final answer
    x = 6,750.80

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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.