Home / 15,118.18-22,691.67-9,286.18

Finding the Fourth Proportional to 15,118.18, 22,691.67 and 9,286.18

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Solution

The fourth proportional to 15,118.18, 22,691.67 and 9,286.18 is: 13,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.18 : 22,691.67 = 9,286.18 : x
  2. Step 2: Convert to fraction form
    15,118.18/22,691.67 = 9,286.18/x
  3. Step 3: Cross multiply
    15,118.18x = 22,691.67 × 9,286.18
  4. Step 4: Simplify right side
    15,118.18x = 210,718,932.12
  5. Step 5: Solve for x
    x = 210,718,932.12/15,118.18
  6. Step 6: Final answer
    x = 13,938.12

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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.