Home / 12,260.20-18,375.90-5,672.47

Finding the Fourth Proportional to 12,260.20, 18,375.90 and 5,672.47

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Solution

The fourth proportional to 12,260.20, 18,375.90 and 5,672.47 is: 8,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.20 : 18,375.90 = 5,672.47 : x
  2. Step 2: Convert to fraction form
    12,260.20/18,375.90 = 5,672.47/x
  3. Step 3: Cross multiply
    12,260.20x = 18,375.90 × 5,672.47
  4. Step 4: Simplify right side
    12,260.20x = 104,236,741.47
  5. Step 5: Solve for x
    x = 104,236,741.47/12,260.20
  6. Step 6: Final answer
    x = 8,502.04

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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.