Home / 12,055.82-18,082.35-3,291.44

Finding the Fourth Proportional to 12,055.82, 18,082.35 and 3,291.44

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Solution

The fourth proportional to 12,055.82, 18,082.35 and 3,291.44 is: 4,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.82 : 18,082.35 = 3,291.44 : x
  2. Step 2: Convert to fraction form
    12,055.82/18,082.35 = 3,291.44/x
  3. Step 3: Cross multiply
    12,055.82x = 18,082.35 × 3,291.44
  4. Step 4: Simplify right side
    12,055.82x = 59,516,879.67
  5. Step 5: Solve for x
    x = 59,516,879.67/12,055.82
  6. Step 6: Final answer
    x = 4,936.78

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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.