Home / 21,794.20-32,660.11-12,414.86

Finding the Fourth Proportional to 21,794.20, 32,660.11 and 12,414.86

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Solution

The fourth proportional to 21,794.20, 32,660.11 and 12,414.86 is: 18,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.20 : 32,660.11 = 12,414.86 : x
  2. Step 2: Convert to fraction form
    21,794.20/32,660.11 = 12,414.86/x
  3. Step 3: Cross multiply
    21,794.20x = 32,660.11 × 12,414.86
  4. Step 4: Simplify right side
    21,794.20x = 405,470,774.88
  5. Step 5: Solve for x
    x = 405,470,774.88/21,794.20
  6. Step 6: Final answer
    x = 18,604.53

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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.