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Finding the Fourth Proportional to 11,049.76, 16,571.11 and 3,652.84

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Solution

The fourth proportional to 11,049.76, 16,571.11 and 3,652.84 is: 5,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.76 : 16,571.11 = 3,652.84 : x
  2. Step 2: Convert to fraction form
    11,049.76/16,571.11 = 3,652.84/x
  3. Step 3: Cross multiply
    11,049.76x = 16,571.11 × 3,652.84
  4. Step 4: Simplify right side
    11,049.76x = 60,531,613.45
  5. Step 5: Solve for x
    x = 60,531,613.45/11,049.76
  6. Step 6: Final answer
    x = 5,478.09

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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.