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Finding the Fourth Proportional to 10,667.97, 16,000.11 and 2,874.96

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Solution

The fourth proportional to 10,667.97, 16,000.11 and 2,874.96 is: 4,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.97 : 16,000.11 = 2,874.96 : x
  2. Step 2: Convert to fraction form
    10,667.97/16,000.11 = 2,874.96/x
  3. Step 3: Cross multiply
    10,667.97x = 16,000.11 × 2,874.96
  4. Step 4: Simplify right side
    10,667.97x = 45,999,676.25
  5. Step 5: Solve for x
    x = 45,999,676.25/10,667.97
  6. Step 6: Final answer
    x = 4,311.94

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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.