Home / 18,119.42-27,174.20-4,968.66

Finding the Fourth Proportional to 18,119.42, 27,174.20 and 4,968.66

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Solution

The fourth proportional to 18,119.42, 27,174.20 and 4,968.66 is: 7,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.42 : 27,174.20 = 4,968.66 : x
  2. Step 2: Convert to fraction form
    18,119.42/27,174.20 = 4,968.66/x
  3. Step 3: Cross multiply
    18,119.42x = 27,174.20 × 4,968.66
  4. Step 4: Simplify right side
    18,119.42x = 135,019,335.73
  5. Step 5: Solve for x
    x = 135,019,335.73/18,119.42
  6. Step 6: Final answer
    x = 7,451.64

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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.