Home / 11,083.52-15,295.42-6,609.87

Finding the Fourth Proportional to 11,083.52, 15,295.42 and 6,609.87

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Solution

The fourth proportional to 11,083.52, 15,295.42 and 6,609.87 is: 9,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,083.52 : 15,295.42 = 6,609.87 : x
  2. Step 2: Convert to fraction form
    11,083.52/15,295.42 = 6,609.87/x
  3. Step 3: Cross multiply
    11,083.52x = 15,295.42 × 6,609.87
  4. Step 4: Simplify right side
    11,083.52x = 101,100,708.88
  5. Step 5: Solve for x
    x = 101,100,708.88/11,083.52
  6. Step 6: Final answer
    x = 9,121.72

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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.