Home / 10,137.28-15,200.24-3,560.88

Finding the Fourth Proportional to 10,137.28, 15,200.24 and 3,560.88

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Solution

The fourth proportional to 10,137.28, 15,200.24 and 3,560.88 is: 5,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.28 : 15,200.24 = 3,560.88 : x
  2. Step 2: Convert to fraction form
    10,137.28/15,200.24 = 3,560.88/x
  3. Step 3: Cross multiply
    10,137.28x = 15,200.24 × 3,560.88
  4. Step 4: Simplify right side
    10,137.28x = 54,126,230.61
  5. Step 5: Solve for x
    x = 54,126,230.61/10,137.28
  6. Step 6: Final answer
    x = 5,339.32

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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.