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Finding the Fourth Proportional to 16,524.20, 24,728.70 and 11,340.20

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Solution

The fourth proportional to 16,524.20, 24,728.70 and 11,340.20 is: 16,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,524.20 : 24,728.70 = 11,340.20 : x
  2. Step 2: Convert to fraction form
    16,524.20/24,728.70 = 11,340.20/x
  3. Step 3: Cross multiply
    16,524.20x = 24,728.70 × 11,340.20
  4. Step 4: Simplify right side
    16,524.20x = 280,428,403.74
  5. Step 5: Solve for x
    x = 280,428,403.74/16,524.20
  6. Step 6: Final answer
    x = 16,970.77

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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.