Home / 11,401.66-17,102.49-3,081.70

Finding the Fourth Proportional to 11,401.66, 17,102.49 and 3,081.70

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Solution

The fourth proportional to 11,401.66, 17,102.49 and 3,081.70 is: 4,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,401.66 : 17,102.49 = 3,081.70 : x
  2. Step 2: Convert to fraction form
    11,401.66/17,102.49 = 3,081.70/x
  3. Step 3: Cross multiply
    11,401.66x = 17,102.49 × 3,081.70
  4. Step 4: Simplify right side
    11,401.66x = 52,704,743.43
  5. Step 5: Solve for x
    x = 52,704,743.43/11,401.66
  6. Step 6: Final answer
    x = 4,622.55

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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.