Home / 20,227.38-30,346.57-6,187.09

Finding the Fourth Proportional to 20,227.38, 30,346.57 and 6,187.09

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Solution

The fourth proportional to 20,227.38, 30,346.57 and 6,187.09 is: 9,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.38 : 30,346.57 = 6,187.09 : x
  2. Step 2: Convert to fraction form
    20,227.38/30,346.57 = 6,187.09/x
  3. Step 3: Cross multiply
    20,227.38x = 30,346.57 × 6,187.09
  4. Step 4: Simplify right side
    20,227.38x = 187,757,051.30
  5. Step 5: Solve for x
    x = 187,757,051.30/20,227.38
  6. Step 6: Final answer
    x = 9,282.32

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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.