Home / 8,993.09-13,481.41-3,146.51

Finding the Fourth Proportional to 8,993.09, 13,481.41 and 3,146.51

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Solution

The fourth proportional to 8,993.09, 13,481.41 and 3,146.51 is: 4,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.09 : 13,481.41 = 3,146.51 : x
  2. Step 2: Convert to fraction form
    8,993.09/13,481.41 = 3,146.51/x
  3. Step 3: Cross multiply
    8,993.09x = 13,481.41 × 3,146.51
  4. Step 4: Simplify right side
    8,993.09x = 42,419,323.97
  5. Step 5: Solve for x
    x = 42,419,323.97/8,993.09
  6. Step 6: Final answer
    x = 4,716.88

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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.