Home / 11,659.28-17,489.32-3,761.74

Finding the Fourth Proportional to 11,659.28, 17,489.32 and 3,761.74

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Solution

The fourth proportional to 11,659.28, 17,489.32 and 3,761.74 is: 5,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.28 : 17,489.32 = 3,761.74 : x
  2. Step 2: Convert to fraction form
    11,659.28/17,489.32 = 3,761.74/x
  3. Step 3: Cross multiply
    11,659.28x = 17,489.32 × 3,761.74
  4. Step 4: Simplify right side
    11,659.28x = 65,790,287.07
  5. Step 5: Solve for x
    x = 65,790,287.07/11,659.28
  6. Step 6: Final answer
    x = 5,642.74

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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.