Home / 18,380.29-27,579.56-7,286.74

Finding the Fourth Proportional to 18,380.29, 27,579.56 and 7,286.74

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Solution

The fourth proportional to 18,380.29, 27,579.56 and 7,286.74 is: 10,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.29 : 27,579.56 = 7,286.74 : x
  2. Step 2: Convert to fraction form
    18,380.29/27,579.56 = 7,286.74/x
  3. Step 3: Cross multiply
    18,380.29x = 27,579.56 × 7,286.74
  4. Step 4: Simplify right side
    18,380.29x = 200,965,083.03
  5. Step 5: Solve for x
    x = 200,965,083.03/18,380.29
  6. Step 6: Final answer
    x = 10,933.73

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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.