Home / 12,424.38-17,145.75-6,759.18

Finding the Fourth Proportional to 12,424.38, 17,145.75 and 6,759.18

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Solution

The fourth proportional to 12,424.38, 17,145.75 and 6,759.18 is: 9,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.38 : 17,145.75 = 6,759.18 : x
  2. Step 2: Convert to fraction form
    12,424.38/17,145.75 = 6,759.18/x
  3. Step 3: Cross multiply
    12,424.38x = 17,145.75 × 6,759.18
  4. Step 4: Simplify right side
    12,424.38x = 115,891,210.49
  5. Step 5: Solve for x
    x = 115,891,210.49/12,424.38
  6. Step 6: Final answer
    x = 9,327.73

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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.