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Finding the Fourth Proportional to 15,000.30, 22,468.05 and 12,408.30

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Solution

The fourth proportional to 15,000.30, 22,468.05 and 12,408.30 is: 18,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.30 : 22,468.05 = 12,408.30 : x
  2. Step 2: Convert to fraction form
    15,000.30/22,468.05 = 12,408.30/x
  3. Step 3: Cross multiply
    15,000.30x = 22,468.05 × 12,408.30
  4. Step 4: Simplify right side
    15,000.30x = 278,790,304.82
  5. Step 5: Solve for x
    x = 278,790,304.82/15,000.30
  6. Step 6: Final answer
    x = 18,585.65

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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.