Home / 18,565.88-27,851.34-5,418.14

Finding the Fourth Proportional to 18,565.88, 27,851.34 and 5,418.14

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Solution

The fourth proportional to 18,565.88, 27,851.34 and 5,418.14 is: 8,127.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.88 : 27,851.34 = 5,418.14 : x
  2. Step 2: Convert to fraction form
    18,565.88/27,851.34 = 5,418.14/x
  3. Step 3: Cross multiply
    18,565.88x = 27,851.34 × 5,418.14
  4. Step 4: Simplify right side
    18,565.88x = 150,902,459.31
  5. Step 5: Solve for x
    x = 150,902,459.31/18,565.88
  6. Step 6: Final answer
    x = 8,127.95

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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.