Home / 20,793.22-28,693.38-11,841.10

Finding the Fourth Proportional to 20,793.22, 28,693.38 and 11,841.10

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Solution

The fourth proportional to 20,793.22, 28,693.38 and 11,841.10 is: 16,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.22 : 28,693.38 = 11,841.10 : x
  2. Step 2: Convert to fraction form
    20,793.22/28,693.38 = 11,841.10/x
  3. Step 3: Cross multiply
    20,793.22x = 28,693.38 × 11,841.10
  4. Step 4: Simplify right side
    20,793.22x = 339,761,181.92
  5. Step 5: Solve for x
    x = 339,761,181.92/20,793.22
  6. Step 6: Final answer
    x = 16,340.00

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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.