Home / 11,930.82-17,896.44-3,610.92

Finding the Fourth Proportional to 11,930.82, 17,896.44 and 3,610.92

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Solution

The fourth proportional to 11,930.82, 17,896.44 and 3,610.92 is: 5,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.82 : 17,896.44 = 3,610.92 : x
  2. Step 2: Convert to fraction form
    11,930.82/17,896.44 = 3,610.92/x
  3. Step 3: Cross multiply
    11,930.82x = 17,896.44 × 3,610.92
  4. Step 4: Simplify right side
    11,930.82x = 64,622,613.12
  5. Step 5: Solve for x
    x = 64,622,613.12/11,930.82
  6. Step 6: Final answer
    x = 5,416.44

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1.5x scale

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.