Home / 22,517.06-33,781.43-11,978.41

Finding the Fourth Proportional to 22,517.06, 33,781.43 and 11,978.41

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Solution

The fourth proportional to 22,517.06, 33,781.43 and 11,978.41 is: 17,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,517.06 : 33,781.43 = 11,978.41 : x
  2. Step 2: Convert to fraction form
    22,517.06/33,781.43 = 11,978.41/x
  3. Step 3: Cross multiply
    22,517.06x = 33,781.43 × 11,978.41
  4. Step 4: Simplify right side
    22,517.06x = 404,647,818.93
  5. Step 5: Solve for x
    x = 404,647,818.93/22,517.06
  6. Step 6: Final answer
    x = 17,970.72

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1.5x scale

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.