Home / 18,616.68-25,691.19-10,118.82

Finding the Fourth Proportional to 18,616.68, 25,691.19 and 10,118.82

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Solution

The fourth proportional to 18,616.68, 25,691.19 and 10,118.82 is: 13,964.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.68 : 25,691.19 = 10,118.82 : x
  2. Step 2: Convert to fraction form
    18,616.68/25,691.19 = 10,118.82/x
  3. Step 3: Cross multiply
    18,616.68x = 25,691.19 × 10,118.82
  4. Step 4: Simplify right side
    18,616.68x = 259,964,476.60
  5. Step 5: Solve for x
    x = 259,964,476.60/18,616.68
  6. Step 6: Final answer
    x = 13,964.06

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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.