Home / 20,892.26-28,833.14-11,462.66

Finding the Fourth Proportional to 20,892.26, 28,833.14 and 11,462.66

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Solution

The fourth proportional to 20,892.26, 28,833.14 and 11,462.66 is: 15,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.26 : 28,833.14 = 11,462.66 : x
  2. Step 2: Convert to fraction form
    20,892.26/28,833.14 = 11,462.66/x
  3. Step 3: Cross multiply
    20,892.26x = 28,833.14 × 11,462.66
  4. Step 4: Simplify right side
    20,892.26x = 330,504,480.55
  5. Step 5: Solve for x
    x = 330,504,480.55/20,892.26
  6. Step 6: Final answer
    x = 15,819.47

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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.