Home / 12,517.07-17,272.91-6,850.78

Finding the Fourth Proportional to 12,517.07, 17,272.91 and 6,850.78

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Solution

The fourth proportional to 12,517.07, 17,272.91 and 6,850.78 is: 9,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.07 : 17,272.91 = 6,850.78 : x
  2. Step 2: Convert to fraction form
    12,517.07/17,272.91 = 6,850.78/x
  3. Step 3: Cross multiply
    12,517.07x = 17,272.91 × 6,850.78
  4. Step 4: Simplify right side
    12,517.07x = 118,332,880.31
  5. Step 5: Solve for x
    x = 118,332,880.31/12,517.07
  6. Step 6: Final answer
    x = 9,453.72

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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.