Home / 18,540.33-27,745.83-15,169.62

Finding the Fourth Proportional to 18,540.33, 27,745.83 and 15,169.62

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Solution

The fourth proportional to 18,540.33, 27,745.83 and 15,169.62 is: 22,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.33 : 27,745.83 = 15,169.62 : x
  2. Step 2: Convert to fraction form
    18,540.33/27,745.83 = 15,169.62/x
  3. Step 3: Cross multiply
    18,540.33x = 27,745.83 × 15,169.62
  4. Step 4: Simplify right side
    18,540.33x = 420,893,697.68
  5. Step 5: Solve for x
    x = 420,893,697.68/18,540.33
  6. Step 6: Final answer
    x = 22,701.52

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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.