Home / 11,067.52-15,270.40-6,287.68

Finding the Fourth Proportional to 11,067.52, 15,270.40 and 6,287.68

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Solution

The fourth proportional to 11,067.52, 15,270.40 and 6,287.68 is: 8,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.52 : 15,270.40 = 6,287.68 : x
  2. Step 2: Convert to fraction form
    11,067.52/15,270.40 = 6,287.68/x
  3. Step 3: Cross multiply
    11,067.52x = 15,270.40 × 6,287.68
  4. Step 4: Simplify right side
    11,067.52x = 96,015,388.67
  5. Step 5: Solve for x
    x = 96,015,388.67/11,067.52
  6. Step 6: Final answer
    x = 8,675.42

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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.