Home / 11,679.40-17,519.00-3,359.38

Finding the Fourth Proportional to 11,679.40, 17,519.00 and 3,359.38

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Solution

The fourth proportional to 11,679.40, 17,519.00 and 3,359.38 is: 5,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.40 : 17,519.00 = 3,359.38 : x
  2. Step 2: Convert to fraction form
    11,679.40/17,519.00 = 3,359.38/x
  3. Step 3: Cross multiply
    11,679.40x = 17,519.00 × 3,359.38
  4. Step 4: Simplify right side
    11,679.40x = 58,853,008.52
  5. Step 5: Solve for x
    x = 58,853,008.52/11,679.40
  6. Step 6: Final answer
    x = 5,039.04

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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.