Home / 13,487.44-20,230.20-5,695.52

Finding the Fourth Proportional to 13,487.44, 20,230.20 and 5,695.52

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Solution

The fourth proportional to 13,487.44, 20,230.20 and 5,695.52 is: 8,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.44 : 20,230.20 = 5,695.52 : x
  2. Step 2: Convert to fraction form
    13,487.44/20,230.20 = 5,695.52/x
  3. Step 3: Cross multiply
    13,487.44x = 20,230.20 × 5,695.52
  4. Step 4: Simplify right side
    13,487.44x = 115,221,508.70
  5. Step 5: Solve for x
    x = 115,221,508.70/13,487.44
  6. Step 6: Final answer
    x = 8,542.87

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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.