Home / 11,067.78-15,273.81-6,287.61

Finding the Fourth Proportional to 11,067.78, 15,273.81 and 6,287.61

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Solution

The fourth proportional to 11,067.78, 15,273.81 and 6,287.61 is: 8,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.78 : 15,273.81 = 6,287.61 : x
  2. Step 2: Convert to fraction form
    11,067.78/15,273.81 = 6,287.61/x
  3. Step 3: Cross multiply
    11,067.78x = 15,273.81 × 6,287.61
  4. Step 4: Simplify right side
    11,067.78x = 96,035,760.49
  5. Step 5: Solve for x
    x = 96,035,760.49/11,067.78
  6. Step 6: Final answer
    x = 8,677.06

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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.