Home / 11,080.76-15,273.50-9,641.43

Finding the Fourth Proportional to 11,080.76, 15,273.50 and 9,641.43

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Solution

The fourth proportional to 11,080.76, 15,273.50 and 9,641.43 is: 13,289.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.76 : 15,273.50 = 9,641.43 : x
  2. Step 2: Convert to fraction form
    11,080.76/15,273.50 = 9,641.43/x
  3. Step 3: Cross multiply
    11,080.76x = 15,273.50 × 9,641.43
  4. Step 4: Simplify right side
    11,080.76x = 147,258,332.90
  5. Step 5: Solve for x
    x = 147,258,332.90/11,080.76
  6. Step 6: Final answer
    x = 13,289.56

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Double scale
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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.