Home / 22,991.21-34,497.33-11,891.88

Finding the Fourth Proportional to 22,991.21, 34,497.33 and 11,891.88

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Solution

The fourth proportional to 22,991.21, 34,497.33 and 11,891.88 is: 17,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,991.21 : 34,497.33 = 11,891.88 : x
  2. Step 2: Convert to fraction form
    22,991.21/34,497.33 = 11,891.88/x
  3. Step 3: Cross multiply
    22,991.21x = 34,497.33 × 11,891.88
  4. Step 4: Simplify right side
    22,991.21x = 410,238,108.68
  5. Step 5: Solve for x
    x = 410,238,108.68/22,991.21
  6. Step 6: Final answer
    x = 17,843.26

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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.