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Finding the Fourth Proportional to 12,562.92, 18,845.04 and 3,797.61

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Solution

The fourth proportional to 12,562.92, 18,845.04 and 3,797.61 is: 5,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.92 : 18,845.04 = 3,797.61 : x
  2. Step 2: Convert to fraction form
    12,562.92/18,845.04 = 3,797.61/x
  3. Step 3: Cross multiply
    12,562.92x = 18,845.04 × 3,797.61
  4. Step 4: Simplify right side
    12,562.92x = 71,566,112.35
  5. Step 5: Solve for x
    x = 71,566,112.35/12,562.92
  6. Step 6: Final answer
    x = 5,696.61

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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.