Home / 15,154.62-22,760.16-12,387.18

Finding the Fourth Proportional to 15,154.62, 22,760.16 and 12,387.18

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Solution

The fourth proportional to 15,154.62, 22,760.16 and 12,387.18 is: 18,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,154.62 : 22,760.16 = 12,387.18 : x
  2. Step 2: Convert to fraction form
    15,154.62/22,760.16 = 12,387.18/x
  3. Step 3: Cross multiply
    15,154.62x = 22,760.16 × 12,387.18
  4. Step 4: Simplify right side
    15,154.62x = 281,934,198.75
  5. Step 5: Solve for x
    x = 281,934,198.75/15,154.62
  6. Step 6: Final answer
    x = 18,603.84

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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.