Home / 11,067.81-15,260.28-9,043.75

Finding the Fourth Proportional to 11,067.81, 15,260.28 and 9,043.75

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Solution

The fourth proportional to 11,067.81, 15,260.28 and 9,043.75 is: 12,469.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.81 : 15,260.28 = 9,043.75 : x
  2. Step 2: Convert to fraction form
    11,067.81/15,260.28 = 9,043.75/x
  3. Step 3: Cross multiply
    11,067.81x = 15,260.28 × 9,043.75
  4. Step 4: Simplify right side
    11,067.81x = 138,010,080.95
  5. Step 5: Solve for x
    x = 138,010,080.95/11,067.81
  6. Step 6: Final answer
    x = 12,469.50

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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.