Home / 10,179.88-15,268.21-6,229.78

Finding the Fourth Proportional to 10,179.88, 15,268.21 and 6,229.78

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Solution

The fourth proportional to 10,179.88, 15,268.21 and 6,229.78 is: 9,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.88 : 15,268.21 = 6,229.78 : x
  2. Step 2: Convert to fraction form
    10,179.88/15,268.21 = 6,229.78/x
  3. Step 3: Cross multiply
    10,179.88x = 15,268.21 × 6,229.78
  4. Step 4: Simplify right side
    10,179.88x = 95,117,535.55
  5. Step 5: Solve for x
    x = 95,117,535.55/10,179.88
  6. Step 6: Final answer
    x = 9,343.68

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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.