Home / 13,520.74-20,281.92-6,502.18

Finding the Fourth Proportional to 13,520.74, 20,281.92 and 6,502.18

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Solution

The fourth proportional to 13,520.74, 20,281.92 and 6,502.18 is: 9,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520.74 : 20,281.92 = 6,502.18 : x
  2. Step 2: Convert to fraction form
    13,520.74/20,281.92 = 6,502.18/x
  3. Step 3: Cross multiply
    13,520.74x = 20,281.92 × 6,502.18
  4. Step 4: Simplify right side
    13,520.74x = 131,876,694.59
  5. Step 5: Solve for x
    x = 131,876,694.59/13,520.74
  6. Step 6: Final answer
    x = 9,753.66

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1.5x scale

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.