Home / 20,178.44-27,843.03-11,225.91

Finding the Fourth Proportional to 20,178.44, 27,843.03 and 11,225.91

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Solution

The fourth proportional to 20,178.44, 27,843.03 and 11,225.91 is: 15,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178.44 : 27,843.03 = 11,225.91 : x
  2. Step 2: Convert to fraction form
    20,178.44/27,843.03 = 11,225.91/x
  3. Step 3: Cross multiply
    20,178.44x = 27,843.03 × 11,225.91
  4. Step 4: Simplify right side
    20,178.44x = 312,563,348.91
  5. Step 5: Solve for x
    x = 312,563,348.91/20,178.44
  6. Step 6: Final answer
    x = 15,489.97

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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.