Home / 12,395.05-17,104.66-6,729.58

Finding the Fourth Proportional to 12,395.05, 17,104.66 and 6,729.58

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Solution

The fourth proportional to 12,395.05, 17,104.66 and 6,729.58 is: 9,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.05 : 17,104.66 = 6,729.58 : x
  2. Step 2: Convert to fraction form
    12,395.05/17,104.66 = 6,729.58/x
  3. Step 3: Cross multiply
    12,395.05x = 17,104.66 × 6,729.58
  4. Step 4: Simplify right side
    12,395.05x = 115,107,177.84
  5. Step 5: Solve for x
    x = 115,107,177.84/12,395.05
  6. Step 6: Final answer
    x = 9,286.54

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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.