Home / 10,344.20-15,516.30-4,105.70

Finding the Fourth Proportional to 10,344.20, 15,516.30 and 4,105.70

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Solution

The fourth proportional to 10,344.20, 15,516.30 and 4,105.70 is: 6,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.20 : 15,516.30 = 4,105.70 : x
  2. Step 2: Convert to fraction form
    10,344.20/15,516.30 = 4,105.70/x
  3. Step 3: Cross multiply
    10,344.20x = 15,516.30 × 4,105.70
  4. Step 4: Simplify right side
    10,344.20x = 63,705,272.91
  5. Step 5: Solve for x
    x = 63,705,272.91/10,344.20
  6. Step 6: Final answer
    x = 6,158.55

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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.