Home / 15,998.97-22,078.62-8,925.87

Finding the Fourth Proportional to 15,998.97, 22,078.62 and 8,925.87

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Solution

The fourth proportional to 15,998.97, 22,078.62 and 8,925.87 is: 12,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.97 : 22,078.62 = 8,925.87 : x
  2. Step 2: Convert to fraction form
    15,998.97/22,078.62 = 8,925.87/x
  3. Step 3: Cross multiply
    15,998.97x = 22,078.62 × 8,925.87
  4. Step 4: Simplify right side
    15,998.97x = 197,070,891.90
  5. Step 5: Solve for x
    x = 197,070,891.90/15,998.97
  6. Step 6: Final answer
    x = 12,317.72

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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.