Home / 11,910.41-17,868-4,012.61

Finding the Fourth Proportional to 11,910.41, 17,868 and 4,012.61

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Solution

The fourth proportional to 11,910.41, 17,868 and 4,012.61 is: 6,019.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.41 : 17,868 = 4,012.61 : x
  2. Step 2: Convert to fraction form
    11,910.41/17,868 = 4,012.61/x
  3. Step 3: Cross multiply
    11,910.41x = 17,868 × 4,012.61
  4. Step 4: Simplify right side
    11,910.41x = 71,697,226.14
  5. Step 5: Solve for x
    x = 71,697,226.14/11,910.41
  6. Step 6: Final answer
    x = 6,019.71

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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.