Home / 12,394.97-17,105.08-6,729.72

Finding the Fourth Proportional to 12,394.97, 17,105.08 and 6,729.72

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Solution

The fourth proportional to 12,394.97, 17,105.08 and 6,729.72 is: 9,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.97 : 17,105.08 = 6,729.72 : x
  2. Step 2: Convert to fraction form
    12,394.97/17,105.08 = 6,729.72/x
  3. Step 3: Cross multiply
    12,394.97x = 17,105.08 × 6,729.72
  4. Step 4: Simplify right side
    12,394.97x = 115,112,398.98
  5. Step 5: Solve for x
    x = 115,112,398.98/12,394.97
  6. Step 6: Final answer
    x = 9,287.03

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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.