Home / 18,769.29-28,158.44-6,289.37

Finding the Fourth Proportional to 18,769.29, 28,158.44 and 6,289.37

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Solution

The fourth proportional to 18,769.29, 28,158.44 and 6,289.37 is: 9,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.29 : 28,158.44 = 6,289.37 : x
  2. Step 2: Convert to fraction form
    18,769.29/28,158.44 = 6,289.37/x
  3. Step 3: Cross multiply
    18,769.29x = 28,158.44 × 6,289.37
  4. Step 4: Simplify right side
    18,769.29x = 177,098,847.78
  5. Step 5: Solve for x
    x = 177,098,847.78/18,769.29
  6. Step 6: Final answer
    x = 9,435.56

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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.