Home / 11,958.28-17,939.82-4,165

Finding the Fourth Proportional to 11,958.28, 17,939.82 and 4,165

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Solution

The fourth proportional to 11,958.28, 17,939.82 and 4,165 is: 6,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.28 : 17,939.82 = 4,165 : x
  2. Step 2: Convert to fraction form
    11,958.28/17,939.82 = 4,165/x
  3. Step 3: Cross multiply
    11,958.28x = 17,939.82 × 4,165
  4. Step 4: Simplify right side
    11,958.28x = 74,719,350.30
  5. Step 5: Solve for x
    x = 74,719,350.30/11,958.28
  6. Step 6: Final answer
    x = 6,248.34

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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.