Home / 11,067.50-15,259.85-9,043.43

Finding the Fourth Proportional to 11,067.50, 15,259.85 and 9,043.43

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Solution

The fourth proportional to 11,067.50, 15,259.85 and 9,043.43 is: 12,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.50 : 15,259.85 = 9,043.43 : x
  2. Step 2: Convert to fraction form
    11,067.50/15,259.85 = 9,043.43/x
  3. Step 3: Cross multiply
    11,067.50x = 15,259.85 × 9,043.43
  4. Step 4: Simplify right side
    11,067.50x = 138,001,263.77
  5. Step 5: Solve for x
    x = 138,001,263.77/11,067.50
  6. Step 6: Final answer
    x = 12,469.06

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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.