Home / 22,177.26-33,278.31-11,788.74

Finding the Fourth Proportional to 22,177.26, 33,278.31 and 11,788.74

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Solution

The fourth proportional to 22,177.26, 33,278.31 and 11,788.74 is: 17,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.26 : 33,278.31 = 11,788.74 : x
  2. Step 2: Convert to fraction form
    22,177.26/33,278.31 = 11,788.74/x
  3. Step 3: Cross multiply
    22,177.26x = 33,278.31 × 11,788.74
  4. Step 4: Simplify right side
    22,177.26x = 392,309,344.23
  5. Step 5: Solve for x
    x = 392,309,344.23/22,177.26
  6. Step 6: Final answer
    x = 17,689.71

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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.