Home / 20,175.51-27,843.24-11,223.18

Finding the Fourth Proportional to 20,175.51, 27,843.24 and 11,223.18

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Solution

The fourth proportional to 20,175.51, 27,843.24 and 11,223.18 is: 15,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.51 : 27,843.24 = 11,223.18 : x
  2. Step 2: Convert to fraction form
    20,175.51/27,843.24 = 11,223.18/x
  3. Step 3: Cross multiply
    20,175.51x = 27,843.24 × 11,223.18
  4. Step 4: Simplify right side
    20,175.51x = 312,489,694.30
  5. Step 5: Solve for x
    x = 312,489,694.30/20,175.51
  6. Step 6: Final answer
    x = 15,488.56

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1.5x scale

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.