Home / 17,678.97-26,511.96-5,195.79

Finding the Fourth Proportional to 17,678.97, 26,511.96 and 5,195.79

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Solution

The fourth proportional to 17,678.97, 26,511.96 and 5,195.79 is: 7,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.97 : 26,511.96 = 5,195.79 : x
  2. Step 2: Convert to fraction form
    17,678.97/26,511.96 = 5,195.79/x
  3. Step 3: Cross multiply
    17,678.97x = 26,511.96 × 5,195.79
  4. Step 4: Simplify right side
    17,678.97x = 137,750,576.65
  5. Step 5: Solve for x
    x = 137,750,576.65/17,678.97
  6. Step 6: Final answer
    x = 7,791.78

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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.