Home / 18,198.24-27,281.40-15,103.92

Finding the Fourth Proportional to 18,198.24, 27,281.40 and 15,103.92

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Solution

The fourth proportional to 18,198.24, 27,281.40 and 15,103.92 is: 22,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.24 : 27,281.40 = 15,103.92 : x
  2. Step 2: Convert to fraction form
    18,198.24/27,281.40 = 15,103.92/x
  3. Step 3: Cross multiply
    18,198.24x = 27,281.40 × 15,103.92
  4. Step 4: Simplify right side
    18,198.24x = 412,056,083.09
  5. Step 5: Solve for x
    x = 412,056,083.09/18,198.24
  6. Step 6: Final answer
    x = 22,642.63

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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.