Home / 12,833.26-17,709.33-7,168.66

Finding the Fourth Proportional to 12,833.26, 17,709.33 and 7,168.66

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Solution

The fourth proportional to 12,833.26, 17,709.33 and 7,168.66 is: 9,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833.26 : 17,709.33 = 7,168.66 : x
  2. Step 2: Convert to fraction form
    12,833.26/17,709.33 = 7,168.66/x
  3. Step 3: Cross multiply
    12,833.26x = 17,709.33 × 7,168.66
  4. Step 4: Simplify right side
    12,833.26x = 126,952,148.21
  5. Step 5: Solve for x
    x = 126,952,148.21/12,833.26
  6. Step 6: Final answer
    x = 9,892.43

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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.