Home / 11,067.50-15,273.31-6,351.78

Finding the Fourth Proportional to 11,067.50, 15,273.31 and 6,351.78

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Solution

The fourth proportional to 11,067.50, 15,273.31 and 6,351.78 is: 8,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.50 : 15,273.31 = 6,351.78 : x
  2. Step 2: Convert to fraction form
    11,067.50/15,273.31 = 6,351.78/x
  3. Step 3: Cross multiply
    11,067.50x = 15,273.31 × 6,351.78
  4. Step 4: Simplify right side
    11,067.50x = 97,012,673.23
  5. Step 5: Solve for x
    x = 97,012,673.23/11,067.50
  6. Step 6: Final answer
    x = 8,765.55

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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.