Home / 11,713.26-17,565.66-3,920.26

Finding the Fourth Proportional to 11,713.26, 17,565.66 and 3,920.26

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Solution

The fourth proportional to 11,713.26, 17,565.66 and 3,920.26 is: 5,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.26 : 17,565.66 = 3,920.26 : x
  2. Step 2: Convert to fraction form
    11,713.26/17,565.66 = 3,920.26/x
  3. Step 3: Cross multiply
    11,713.26x = 17,565.66 × 3,920.26
  4. Step 4: Simplify right side
    11,713.26x = 68,861,954.27
  5. Step 5: Solve for x
    x = 68,861,954.27/11,713.26
  6. Step 6: Final answer
    x = 5,878.97

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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.