Home / 16,861.72-23,231.20-11,752.44

Finding the Fourth Proportional to 16,861.72, 23,231.20 and 11,752.44

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Solution

The fourth proportional to 16,861.72, 23,231.20 and 11,752.44 is: 16,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.72 : 23,231.20 = 11,752.44 : x
  2. Step 2: Convert to fraction form
    16,861.72/23,231.20 = 11,752.44/x
  3. Step 3: Cross multiply
    16,861.72x = 23,231.20 × 11,752.44
  4. Step 4: Simplify right side
    16,861.72x = 273,023,284.13
  5. Step 5: Solve for x
    x = 273,023,284.13/16,861.72
  6. Step 6: Final answer
    x = 16,191.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.