Home / 20,604.08-30,906.84-11,834.96

Finding the Fourth Proportional to 20,604.08, 30,906.84 and 11,834.96

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Solution

The fourth proportional to 20,604.08, 30,906.84 and 11,834.96 is: 17,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.08 : 30,906.84 = 11,834.96 : x
  2. Step 2: Convert to fraction form
    20,604.08/30,906.84 = 11,834.96/x
  3. Step 3: Cross multiply
    20,604.08x = 30,906.84 × 11,834.96
  4. Step 4: Simplify right side
    20,604.08x = 365,781,215.13
  5. Step 5: Solve for x
    x = 365,781,215.13/20,604.08
  6. Step 6: Final answer
    x = 17,752.85

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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.