Home / 10,321.20-14,241.96-8,545.68

Finding the Fourth Proportional to 10,321.20, 14,241.96 and 8,545.68

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Solution

The fourth proportional to 10,321.20, 14,241.96 and 8,545.68 is: 11,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.20 : 14,241.96 = 8,545.68 : x
  2. Step 2: Convert to fraction form
    10,321.20/14,241.96 = 8,545.68/x
  3. Step 3: Cross multiply
    10,321.20x = 14,241.96 × 8,545.68
  4. Step 4: Simplify right side
    10,321.20x = 121,707,232.73
  5. Step 5: Solve for x
    x = 121,707,232.73/10,321.20
  6. Step 6: Final answer
    x = 11,791.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.