Home / 10,487.10-15,730.65-4,250.10

Finding the Fourth Proportional to 10,487.10, 15,730.65 and 4,250.10

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Solution

The fourth proportional to 10,487.10, 15,730.65 and 4,250.10 is: 6,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.10 : 15,730.65 = 4,250.10 : x
  2. Step 2: Convert to fraction form
    10,487.10/15,730.65 = 4,250.10/x
  3. Step 3: Cross multiply
    10,487.10x = 15,730.65 × 4,250.10
  4. Step 4: Simplify right side
    10,487.10x = 66,856,835.57
  5. Step 5: Solve for x
    x = 66,856,835.57/10,487.10
  6. Step 6: Final answer
    x = 6,375.15

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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.