Home / 11,584.75-15,986.87-6,279.43

Finding the Fourth Proportional to 11,584.75, 15,986.87 and 6,279.43

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Solution

The fourth proportional to 11,584.75, 15,986.87 and 6,279.43 is: 8,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.75 : 15,986.87 = 6,279.43 : x
  2. Step 2: Convert to fraction form
    11,584.75/15,986.87 = 6,279.43/x
  3. Step 3: Cross multiply
    11,584.75x = 15,986.87 × 6,279.43
  4. Step 4: Simplify right side
    11,584.75x = 100,388,399.69
  5. Step 5: Solve for x
    x = 100,388,399.69/11,584.75
  6. Step 6: Final answer
    x = 8,665.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.