Home / 12,618.92-18,932.70-4,829.96

Finding the Fourth Proportional to 12,618.92, 18,932.70 and 4,829.96

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Solution

The fourth proportional to 12,618.92, 18,932.70 and 4,829.96 is: 7,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.92 : 18,932.70 = 4,829.96 : x
  2. Step 2: Convert to fraction form
    12,618.92/18,932.70 = 4,829.96/x
  3. Step 3: Cross multiply
    12,618.92x = 18,932.70 × 4,829.96
  4. Step 4: Simplify right side
    12,618.92x = 91,444,183.69
  5. Step 5: Solve for x
    x = 91,444,183.69/12,618.92
  6. Step 6: Final answer
    x = 7,246.59

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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.