Home / 11,067.87-15,260.37-9,043.80

Finding the Fourth Proportional to 11,067.87, 15,260.37 and 9,043.80

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Solution

The fourth proportional to 11,067.87, 15,260.37 and 9,043.80 is: 12,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.87 : 15,260.37 = 9,043.80 : x
  2. Step 2: Convert to fraction form
    11,067.87/15,260.37 = 9,043.80/x
  3. Step 3: Cross multiply
    11,067.87x = 15,260.37 × 9,043.80
  4. Step 4: Simplify right side
    11,067.87x = 138,011,734.21
  5. Step 5: Solve for x
    x = 138,011,734.21/11,067.87
  6. Step 6: Final answer
    x = 12,469.58

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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.