Home / 13,545.99-20,321.55-6,151.02

Finding the Fourth Proportional to 13,545.99, 20,321.55 and 6,151.02

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Solution

The fourth proportional to 13,545.99, 20,321.55 and 6,151.02 is: 9,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.99 : 20,321.55 = 6,151.02 : x
  2. Step 2: Convert to fraction form
    13,545.99/20,321.55 = 6,151.02/x
  3. Step 3: Cross multiply
    13,545.99x = 20,321.55 × 6,151.02
  4. Step 4: Simplify right side
    13,545.99x = 124,998,260.48
  5. Step 5: Solve for x
    x = 124,998,260.48/13,545.99
  6. Step 6: Final answer
    x = 9,227.69

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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.