Home / 19,936.92-29,906.20-7,455.68

Finding the Fourth Proportional to 19,936.92, 29,906.20 and 7,455.68

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Solution

The fourth proportional to 19,936.92, 29,906.20 and 7,455.68 is: 11,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.92 : 29,906.20 = 7,455.68 : x
  2. Step 2: Convert to fraction form
    19,936.92/29,906.20 = 7,455.68/x
  3. Step 3: Cross multiply
    19,936.92x = 29,906.20 × 7,455.68
  4. Step 4: Simplify right side
    19,936.92x = 222,971,057.22
  5. Step 5: Solve for x
    x = 222,971,057.22/19,936.92
  6. Step 6: Final answer
    x = 11,183.83

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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.