Home / 21,195.97-29,247.04-12,241.82

Finding the Fourth Proportional to 21,195.97, 29,247.04 and 12,241.82

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Solution

The fourth proportional to 21,195.97, 29,247.04 and 12,241.82 is: 16,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195.97 : 29,247.04 = 12,241.82 : x
  2. Step 2: Convert to fraction form
    21,195.97/29,247.04 = 12,241.82/x
  3. Step 3: Cross multiply
    21,195.97x = 29,247.04 × 12,241.82
  4. Step 4: Simplify right side
    21,195.97x = 358,036,999.21
  5. Step 5: Solve for x
    x = 358,036,999.21/21,195.97
  6. Step 6: Final answer
    x = 16,891.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.