Home / 16,082.20-22,193.10-8,912.05

Finding the Fourth Proportional to 16,082.20, 22,193.10 and 8,912.05

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Solution

The fourth proportional to 16,082.20, 22,193.10 and 8,912.05 is: 12,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,082.20 : 22,193.10 = 8,912.05 : x
  2. Step 2: Convert to fraction form
    16,082.20/22,193.10 = 8,912.05/x
  3. Step 3: Cross multiply
    16,082.20x = 22,193.10 × 8,912.05
  4. Step 4: Simplify right side
    16,082.20x = 197,786,016.86
  5. Step 5: Solve for x
    x = 197,786,016.86/16,082.20
  6. Step 6: Final answer
    x = 12,298.44

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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.