Home / 12,394.69-17,104.14-6,729.21

Finding the Fourth Proportional to 12,394.69, 17,104.14 and 6,729.21

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Solution

The fourth proportional to 12,394.69, 17,104.14 and 6,729.21 is: 9,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.69 : 17,104.14 = 6,729.21 : x
  2. Step 2: Convert to fraction form
    12,394.69/17,104.14 = 6,729.21/x
  3. Step 3: Cross multiply
    12,394.69x = 17,104.14 × 6,729.21
  4. Step 4: Simplify right side
    12,394.69x = 115,097,349.93
  5. Step 5: Solve for x
    x = 115,097,349.93/12,394.69
  6. Step 6: Final answer
    x = 9,286.02

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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.