Home / 18,736.38-28,091.61-8,201.34

Finding the Fourth Proportional to 18,736.38, 28,091.61 and 8,201.34

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Solution

The fourth proportional to 18,736.38, 28,091.61 and 8,201.34 is: 12,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.38 : 28,091.61 = 8,201.34 : x
  2. Step 2: Convert to fraction form
    18,736.38/28,091.61 = 8,201.34/x
  3. Step 3: Cross multiply
    18,736.38x = 28,091.61 × 8,201.34
  4. Step 4: Simplify right side
    18,736.38x = 230,388,844.76
  5. Step 5: Solve for x
    x = 230,388,844.76/18,736.38
  6. Step 6: Final answer
    x = 12,296.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.