Home / 10,419.40-14,375.19-5,939.92

Finding the Fourth Proportional to 10,419.40, 14,375.19 and 5,939.92

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Solution

The fourth proportional to 10,419.40, 14,375.19 and 5,939.92 is: 8,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.40 : 14,375.19 = 5,939.92 : x
  2. Step 2: Convert to fraction form
    10,419.40/14,375.19 = 5,939.92/x
  3. Step 3: Cross multiply
    10,419.40x = 14,375.19 × 5,939.92
  4. Step 4: Simplify right side
    10,419.40x = 85,387,478.58
  5. Step 5: Solve for x
    x = 85,387,478.58/10,419.40
  6. Step 6: Final answer
    x = 8,195.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.