Home / 13,645.52-20,452.92-6,724.88

Finding the Fourth Proportional to 13,645.52, 20,452.92 and 6,724.88

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Solution

The fourth proportional to 13,645.52, 20,452.92 and 6,724.88 is: 10,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.52 : 20,452.92 = 6,724.88 : x
  2. Step 2: Convert to fraction form
    13,645.52/20,452.92 = 6,724.88/x
  3. Step 3: Cross multiply
    13,645.52x = 20,452.92 × 6,724.88
  4. Step 4: Simplify right side
    13,645.52x = 137,543,432.65
  5. Step 5: Solve for x
    x = 137,543,432.65/13,645.52
  6. Step 6: Final answer
    x = 10,079.75

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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.