Home / 12,424.38-17,145.39-6,759.24

Finding the Fourth Proportional to 12,424.38, 17,145.39 and 6,759.24

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Solution

The fourth proportional to 12,424.38, 17,145.39 and 6,759.24 is: 9,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.38 : 17,145.39 = 6,759.24 : x
  2. Step 2: Convert to fraction form
    12,424.38/17,145.39 = 6,759.24/x
  3. Step 3: Cross multiply
    12,424.38x = 17,145.39 × 6,759.24
  4. Step 4: Simplify right side
    12,424.38x = 115,889,805.90
  5. Step 5: Solve for x
    x = 115,889,805.90/12,424.38
  6. Step 6: Final answer
    x = 9,327.61

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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.