Home / 26,118.20-39,157.86-12,251

Finding the Fourth Proportional to 26,118.20, 39,157.86 and 12,251

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Solution

The fourth proportional to 26,118.20, 39,157.86 and 12,251 is: 18,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.20 : 39,157.86 = 12,251 : x
  2. Step 2: Convert to fraction form
    26,118.20/39,157.86 = 12,251/x
  3. Step 3: Cross multiply
    26,118.20x = 39,157.86 × 12,251
  4. Step 4: Simplify right side
    26,118.20x = 479,722,942.86
  5. Step 5: Solve for x
    x = 479,722,942.86/26,118.20
  6. Step 6: Final answer
    x = 18,367.38

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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.