Home / 26,118.20-39,183.78-12,251

Finding the Fourth Proportional to 26,118.20, 39,183.78 and 12,251

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Solution

The fourth proportional to 26,118.20, 39,183.78 and 12,251 is: 18,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.20 : 39,183.78 = 12,251 : x
  2. Step 2: Convert to fraction form
    26,118.20/39,183.78 = 12,251/x
  3. Step 3: Cross multiply
    26,118.20x = 39,183.78 × 12,251
  4. Step 4: Simplify right side
    26,118.20x = 480,040,488.78
  5. Step 5: Solve for x
    x = 480,040,488.78/26,118.20
  6. Step 6: Final answer
    x = 18,379.54

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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.