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Finding the Fourth Proportional to 11,000.20, 16,500.30 and 10,817.95

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Solution

The fourth proportional to 11,000.20, 16,500.30 and 10,817.95 is: 16,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.20 : 16,500.30 = 10,817.95 : x
  2. Step 2: Convert to fraction form
    11,000.20/16,500.30 = 10,817.95/x
  3. Step 3: Cross multiply
    11,000.20x = 16,500.30 × 10,817.95
  4. Step 4: Simplify right side
    11,000.20x = 178,499,420.39
  5. Step 5: Solve for x
    x = 178,499,420.39/11,000.20
  6. Step 6: Final answer
    x = 16,226.93

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Similar ratio
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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.