Home / 20,635.11-30,962.97-8,796.60

Finding the Fourth Proportional to 20,635.11, 30,962.97 and 8,796.60

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Solution

The fourth proportional to 20,635.11, 30,962.97 and 8,796.60 is: 13,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635.11 : 30,962.97 = 8,796.60 : x
  2. Step 2: Convert to fraction form
    20,635.11/30,962.97 = 8,796.60/x
  3. Step 3: Cross multiply
    20,635.11x = 30,962.97 × 8,796.60
  4. Step 4: Simplify right side
    20,635.11x = 272,368,861.90
  5. Step 5: Solve for x
    x = 272,368,861.90/20,635.11
  6. Step 6: Final answer
    x = 13,199.29

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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.