Home / 18,414.24-27,604.20-7,318.80

Finding the Fourth Proportional to 18,414.24, 27,604.20 and 7,318.80

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Solution

The fourth proportional to 18,414.24, 27,604.20 and 7,318.80 is: 10,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.24 : 27,604.20 = 7,318.80 : x
  2. Step 2: Convert to fraction form
    18,414.24/27,604.20 = 7,318.80/x
  3. Step 3: Cross multiply
    18,414.24x = 27,604.20 × 7,318.80
  4. Step 4: Simplify right side
    18,414.24x = 202,029,618.96
  5. Step 5: Solve for x
    x = 202,029,618.96/18,414.24
  6. Step 6: Final answer
    x = 10,971.38

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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.