Home / 11,259.83-15,542.94-10,078.85

Finding the Fourth Proportional to 11,259.83, 15,542.94 and 10,078.85

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Solution

The fourth proportional to 11,259.83, 15,542.94 and 10,078.85 is: 13,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.83 : 15,542.94 = 10,078.85 : x
  2. Step 2: Convert to fraction form
    11,259.83/15,542.94 = 10,078.85/x
  3. Step 3: Cross multiply
    11,259.83x = 15,542.94 × 10,078.85
  4. Step 4: Simplify right side
    11,259.83x = 156,654,883.10
  5. Step 5: Solve for x
    x = 156,654,883.10/11,259.83
  6. Step 6: Final answer
    x = 13,912.73

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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.