Home / 10,171.38-15,257.84-3,152.10

Finding the Fourth Proportional to 10,171.38, 15,257.84 and 3,152.10

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Solution

The fourth proportional to 10,171.38, 15,257.84 and 3,152.10 is: 4,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.38 : 15,257.84 = 3,152.10 : x
  2. Step 2: Convert to fraction form
    10,171.38/15,257.84 = 3,152.10/x
  3. Step 3: Cross multiply
    10,171.38x = 15,257.84 × 3,152.10
  4. Step 4: Simplify right side
    10,171.38x = 48,094,221.70
  5. Step 5: Solve for x
    x = 48,094,221.70/10,171.38
  6. Step 6: Final answer
    x = 4,728.39

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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.