Home / 17,678.46-26,517.68-5,198.59

Finding the Fourth Proportional to 17,678.46, 26,517.68 and 5,198.59

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Solution

The fourth proportional to 17,678.46, 26,517.68 and 5,198.59 is: 7,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.46 : 26,517.68 = 5,198.59 : x
  2. Step 2: Convert to fraction form
    17,678.46/26,517.68 = 5,198.59/x
  3. Step 3: Cross multiply
    17,678.46x = 26,517.68 × 5,198.59
  4. Step 4: Simplify right side
    17,678.46x = 137,854,546.07
  5. Step 5: Solve for x
    x = 137,854,546.07/17,678.46
  6. Step 6: Final answer
    x = 7,797.88

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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.