Home / 9,324.36-13,981.18-5,579.88

Finding the Fourth Proportional to 9,324.36, 13,981.18 and 5,579.88

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Solution

The fourth proportional to 9,324.36, 13,981.18 and 5,579.88 is: 8,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.36 : 13,981.18 = 5,579.88 : x
  2. Step 2: Convert to fraction form
    9,324.36/13,981.18 = 5,579.88/x
  3. Step 3: Cross multiply
    9,324.36x = 13,981.18 × 5,579.88
  4. Step 4: Simplify right side
    9,324.36x = 78,013,306.66
  5. Step 5: Solve for x
    x = 78,013,306.66/9,324.36
  6. Step 6: Final answer
    x = 8,366.61

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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.