Home / 11,981.26-17,964.90-4,586.22

Finding the Fourth Proportional to 11,981.26, 17,964.90 and 4,586.22

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Solution

The fourth proportional to 11,981.26, 17,964.90 and 4,586.22 is: 6,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.26 : 17,964.90 = 4,586.22 : x
  2. Step 2: Convert to fraction form
    11,981.26/17,964.90 = 4,586.22/x
  3. Step 3: Cross multiply
    11,981.26x = 17,964.90 × 4,586.22
  4. Step 4: Simplify right side
    11,981.26x = 82,390,983.68
  5. Step 5: Solve for x
    x = 82,390,983.68/11,981.26
  6. Step 6: Final answer
    x = 6,876.65

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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.