Home / 7,986.92-11,974.36-5,514.68

Finding the Fourth Proportional to 7,986.92, 11,974.36 and 5,514.68

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Solution

The fourth proportional to 7,986.92, 11,974.36 and 5,514.68 is: 8,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.92 : 11,974.36 = 5,514.68 : x
  2. Step 2: Convert to fraction form
    7,986.92/11,974.36 = 5,514.68/x
  3. Step 3: Cross multiply
    7,986.92x = 11,974.36 × 5,514.68
  4. Step 4: Simplify right side
    7,986.92x = 66,034,763.60
  5. Step 5: Solve for x
    x = 66,034,763.60/7,986.92
  6. Step 6: Final answer
    x = 8,267.86

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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.