Home / 14,091.39-21,120.62-7,067.61

Finding the Fourth Proportional to 14,091.39, 21,120.62 and 7,067.61

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Solution

The fourth proportional to 14,091.39, 21,120.62 and 7,067.61 is: 10,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.39 : 21,120.62 = 7,067.61 : x
  2. Step 2: Convert to fraction form
    14,091.39/21,120.62 = 7,067.61/x
  3. Step 3: Cross multiply
    14,091.39x = 21,120.62 × 7,067.61
  4. Step 4: Simplify right side
    14,091.39x = 149,272,269.78
  5. Step 5: Solve for x
    x = 149,272,269.78/14,091.39
  6. Step 6: Final answer
    x = 10,593.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.