Home / 20,794.24-28,693.56-11,841.76

Finding the Fourth Proportional to 20,794.24, 28,693.56 and 11,841.76

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Solution

The fourth proportional to 20,794.24, 28,693.56 and 11,841.76 is: 16,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.24 : 28,693.56 = 11,841.76 : x
  2. Step 2: Convert to fraction form
    20,794.24/28,693.56 = 11,841.76/x
  3. Step 3: Cross multiply
    20,794.24x = 28,693.56 × 11,841.76
  4. Step 4: Simplify right side
    20,794.24x = 339,782,251.07
  5. Step 5: Solve for x
    x = 339,782,251.07/20,794.24
  6. Step 6: Final answer
    x = 16,340.21

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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.