Home / 20,236.13-30,354.00-11,351.44

Finding the Fourth Proportional to 20,236.13, 30,354.00 and 11,351.44

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Solution

The fourth proportional to 20,236.13, 30,354.00 and 11,351.44 is: 17,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.13 : 30,354.00 = 11,351.44 : x
  2. Step 2: Convert to fraction form
    20,236.13/30,354.00 = 11,351.44/x
  3. Step 3: Cross multiply
    20,236.13x = 30,354.00 × 11,351.44
  4. Step 4: Simplify right side
    20,236.13x = 344,561,605.13
  5. Step 5: Solve for x
    x = 344,561,605.13/20,236.13
  6. Step 6: Final answer
    x = 17,027.05

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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.