Home / 12,234.14-18,346.60-3,911.92

Finding the Fourth Proportional to 12,234.14, 18,346.60 and 3,911.92

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Solution

The fourth proportional to 12,234.14, 18,346.60 and 3,911.92 is: 5,866.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.14 : 18,346.60 = 3,911.92 : x
  2. Step 2: Convert to fraction form
    12,234.14/18,346.60 = 3,911.92/x
  3. Step 3: Cross multiply
    12,234.14x = 18,346.60 × 3,911.92
  4. Step 4: Simplify right side
    12,234.14x = 71,770,431.47
  5. Step 5: Solve for x
    x = 71,770,431.47/12,234.14
  6. Step 6: Final answer
    x = 5,866.41

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