Home / 11,687.43-17,536.28-6,139.49

Finding the Fourth Proportional to 11,687.43, 17,536.28 and 6,139.49

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Solution

The fourth proportional to 11,687.43, 17,536.28 and 6,139.49 is: 9,211.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.43 : 17,536.28 = 6,139.49 : x
  2. Step 2: Convert to fraction form
    11,687.43/17,536.28 = 6,139.49/x
  3. Step 3: Cross multiply
    11,687.43x = 17,536.28 × 6,139.49
  4. Step 4: Simplify right side
    11,687.43x = 107,663,743.36
  5. Step 5: Solve for x
    x = 107,663,743.36/11,687.43
  6. Step 6: Final answer
    x = 9,211.93

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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.