Home / 11,997.08-17,987.92-4,981.94

Finding the Fourth Proportional to 11,997.08, 17,987.92 and 4,981.94

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Solution

The fourth proportional to 11,997.08, 17,987.92 and 4,981.94 is: 7,469.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.08 : 17,987.92 = 4,981.94 : x
  2. Step 2: Convert to fraction form
    11,997.08/17,987.92 = 4,981.94/x
  3. Step 3: Cross multiply
    11,997.08x = 17,987.92 × 4,981.94
  4. Step 4: Simplify right side
    11,997.08x = 89,614,635.77
  5. Step 5: Solve for x
    x = 89,614,635.77/11,997.08
  6. Step 6: Final answer
    x = 7,469.71

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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.