Home / 16,129.97-22,258.28-8,959.29

Finding the Fourth Proportional to 16,129.97, 22,258.28 and 8,959.29

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Solution

The fourth proportional to 16,129.97, 22,258.28 and 8,959.29 is: 12,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.97 : 22,258.28 = 8,959.29 : x
  2. Step 2: Convert to fraction form
    16,129.97/22,258.28 = 8,959.29/x
  3. Step 3: Cross multiply
    16,129.97x = 22,258.28 × 8,959.29
  4. Step 4: Simplify right side
    16,129.97x = 199,418,340.62
  5. Step 5: Solve for x
    x = 199,418,340.62/16,129.97
  6. Step 6: Final answer
    x = 12,363.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.