Home / 18,219.38-27,267.33-11,203.83

Finding the Fourth Proportional to 18,219.38, 27,267.33 and 11,203.83

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Solution

The fourth proportional to 18,219.38, 27,267.33 and 11,203.83 is: 16,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.38 : 27,267.33 = 11,203.83 : x
  2. Step 2: Convert to fraction form
    18,219.38/27,267.33 = 11,203.83/x
  3. Step 3: Cross multiply
    18,219.38x = 27,267.33 × 11,203.83
  4. Step 4: Simplify right side
    18,219.38x = 305,498,529.87
  5. Step 5: Solve for x
    x = 305,498,529.87/18,219.38
  6. Step 6: Final answer
    x = 16,767.78

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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.