Home / 22,514.44-33,781.56-11,981.98

Finding the Fourth Proportional to 22,514.44, 33,781.56 and 11,981.98

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Solution

The fourth proportional to 22,514.44, 33,781.56 and 11,981.98 is: 17,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,514.44 : 33,781.56 = 11,981.98 : x
  2. Step 2: Convert to fraction form
    22,514.44/33,781.56 = 11,981.98/x
  3. Step 3: Cross multiply
    22,514.44x = 33,781.56 × 11,981.98
  4. Step 4: Simplify right side
    22,514.44x = 404,769,976.29
  5. Step 5: Solve for x
    x = 404,769,976.29/22,514.44
  6. Step 6: Final answer
    x = 17,978.24

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1.5x scale

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.