Home / 18,264.06-27,392.43-5,781.96

Finding the Fourth Proportional to 18,264.06, 27,392.43 and 5,781.96

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Solution

The fourth proportional to 18,264.06, 27,392.43 and 5,781.96 is: 8,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.06 : 27,392.43 = 5,781.96 : x
  2. Step 2: Convert to fraction form
    18,264.06/27,392.43 = 5,781.96/x
  3. Step 3: Cross multiply
    18,264.06x = 27,392.43 × 5,781.96
  4. Step 4: Simplify right side
    18,264.06x = 158,381,934.56
  5. Step 5: Solve for x
    x = 158,381,934.56/18,264.06
  6. Step 6: Final answer
    x = 8,671.78

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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.