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Finding the Fourth Proportional to 22,104.78, 33,158.79 and 11,000.09

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Solution

The fourth proportional to 22,104.78, 33,158.79 and 11,000.09 is: 16,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104.78 : 33,158.79 = 11,000.09 : x
  2. Step 2: Convert to fraction form
    22,104.78/33,158.79 = 11,000.09/x
  3. Step 3: Cross multiply
    22,104.78x = 33,158.79 × 11,000.09
  4. Step 4: Simplify right side
    22,104.78x = 364,749,508.50
  5. Step 5: Solve for x
    x = 364,749,508.50/22,104.78
  6. Step 6: Final answer
    x = 16,500.93

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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.