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Finding the Fourth Proportional to 16,873.92, 25,306.02 and 6,340.68

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Solution

The fourth proportional to 16,873.92, 25,306.02 and 6,340.68 is: 9,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.92 : 25,306.02 = 6,340.68 : x
  2. Step 2: Convert to fraction form
    16,873.92/25,306.02 = 6,340.68/x
  3. Step 3: Cross multiply
    16,873.92x = 25,306.02 × 6,340.68
  4. Step 4: Simplify right side
    16,873.92x = 160,457,374.89
  5. Step 5: Solve for x
    x = 160,457,374.89/16,873.92
  6. Step 6: Final answer
    x = 9,509.19

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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.