Home / 12,422.71-17,143.24-6,757.46

Finding the Fourth Proportional to 12,422.71, 17,143.24 and 6,757.46

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Solution

The fourth proportional to 12,422.71, 17,143.24 and 6,757.46 is: 9,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.71 : 17,143.24 = 6,757.46 : x
  2. Step 2: Convert to fraction form
    12,422.71/17,143.24 = 6,757.46/x
  3. Step 3: Cross multiply
    12,422.71x = 17,143.24 × 6,757.46
  4. Step 4: Simplify right side
    12,422.71x = 115,844,758.57
  5. Step 5: Solve for x
    x = 115,844,758.57/12,422.71
  6. Step 6: Final answer
    x = 9,325.24

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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.