Home / 15,148.62-22,751.18-12,381.15

Finding the Fourth Proportional to 15,148.62, 22,751.18 and 12,381.15

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Solution

The fourth proportional to 15,148.62, 22,751.18 and 12,381.15 is: 18,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.62 : 22,751.18 = 12,381.15 : x
  2. Step 2: Convert to fraction form
    15,148.62/22,751.18 = 12,381.15/x
  3. Step 3: Cross multiply
    15,148.62x = 22,751.18 × 12,381.15
  4. Step 4: Simplify right side
    15,148.62x = 281,685,842.10
  5. Step 5: Solve for x
    x = 281,685,842.10/15,148.62
  6. Step 6: Final answer
    x = 18,594.82

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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.