Home / 11,273.38-15,550.08-9,040.61

Finding the Fourth Proportional to 11,273.38, 15,550.08 and 9,040.61

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Solution

The fourth proportional to 11,273.38, 15,550.08 and 9,040.61 is: 12,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,273.38 : 15,550.08 = 9,040.61 : x
  2. Step 2: Convert to fraction form
    11,273.38/15,550.08 = 9,040.61/x
  3. Step 3: Cross multiply
    11,273.38x = 15,550.08 × 9,040.61
  4. Step 4: Simplify right side
    11,273.38x = 140,582,213.72
  5. Step 5: Solve for x
    x = 140,582,213.72/11,273.38
  6. Step 6: Final answer
    x = 12,470.28

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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.