Home / 11,738.64-17,610.30-3,949.68

Finding the Fourth Proportional to 11,738.64, 17,610.30 and 3,949.68

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Solution

The fourth proportional to 11,738.64, 17,610.30 and 3,949.68 is: 5,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.64 : 17,610.30 = 3,949.68 : x
  2. Step 2: Convert to fraction form
    11,738.64/17,610.30 = 3,949.68/x
  3. Step 3: Cross multiply
    11,738.64x = 17,610.30 × 3,949.68
  4. Step 4: Simplify right side
    11,738.64x = 69,555,049.70
  5. Step 5: Solve for x
    x = 69,555,049.70/11,738.64
  6. Step 6: Final answer
    x = 5,925.31

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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.