Home / 18,244.78-27,371.34-5,764.74

Finding the Fourth Proportional to 18,244.78, 27,371.34 and 5,764.74

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Solution

The fourth proportional to 18,244.78, 27,371.34 and 5,764.74 is: 8,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.78 : 27,371.34 = 5,764.74 : x
  2. Step 2: Convert to fraction form
    18,244.78/27,371.34 = 5,764.74/x
  3. Step 3: Cross multiply
    18,244.78x = 27,371.34 × 5,764.74
  4. Step 4: Simplify right side
    18,244.78x = 157,788,658.55
  5. Step 5: Solve for x
    x = 157,788,658.55/18,244.78
  6. Step 6: Final answer
    x = 8,648.43

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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.