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Finding the Fourth Proportional to 16,833.89, 25,251.20 and 5,147.12

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Solution

The fourth proportional to 16,833.89, 25,251.20 and 5,147.12 is: 7,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,833.89 : 25,251.20 = 5,147.12 : x
  2. Step 2: Convert to fraction form
    16,833.89/25,251.20 = 5,147.12/x
  3. Step 3: Cross multiply
    16,833.89x = 25,251.20 × 5,147.12
  4. Step 4: Simplify right side
    16,833.89x = 129,970,956.54
  5. Step 5: Solve for x
    x = 129,970,956.54/16,833.89
  6. Step 6: Final answer
    x = 7,720.79

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