Home / 9,447.26-14,167.30-2,781.92

Finding the Fourth Proportional to 9,447.26, 14,167.30 and 2,781.92

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Solution

The fourth proportional to 9,447.26, 14,167.30 and 2,781.92 is: 4,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.26 : 14,167.30 = 2,781.92 : x
  2. Step 2: Convert to fraction form
    9,447.26/14,167.30 = 2,781.92/x
  3. Step 3: Cross multiply
    9,447.26x = 14,167.30 × 2,781.92
  4. Step 4: Simplify right side
    9,447.26x = 39,412,323.68
  5. Step 5: Solve for x
    x = 39,412,323.68/9,447.26
  6. Step 6: Final answer
    x = 4,171.83

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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.