Home / 13,487.28-20,232.92-5,694.24

Finding the Fourth Proportional to 13,487.28, 20,232.92 and 5,694.24

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Solution

The fourth proportional to 13,487.28, 20,232.92 and 5,694.24 is: 8,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.28 : 20,232.92 = 5,694.24 : x
  2. Step 2: Convert to fraction form
    13,487.28/20,232.92 = 5,694.24/x
  3. Step 3: Cross multiply
    13,487.28x = 20,232.92 × 5,694.24
  4. Step 4: Simplify right side
    13,487.28x = 115,211,102.38
  5. Step 5: Solve for x
    x = 115,211,102.38/13,487.28
  6. Step 6: Final answer
    x = 8,542.20

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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.