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Finding the Fourth Proportional to 18,000.60, 24,834.20 and 11,286.50

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Solution

The fourth proportional to 18,000.60, 24,834.20 and 11,286.50 is: 15,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.60 : 24,834.20 = 11,286.50 : x
  2. Step 2: Convert to fraction form
    18,000.60/24,834.20 = 11,286.50/x
  3. Step 3: Cross multiply
    18,000.60x = 24,834.20 × 11,286.50
  4. Step 4: Simplify right side
    18,000.60x = 280,291,198.30
  5. Step 5: Solve for x
    x = 280,291,198.30/18,000.60
  6. Step 6: Final answer
    x = 15,571.21

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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.