Home / 12,230.91-18,337.39-3,906.14

Finding the Fourth Proportional to 12,230.91, 18,337.39 and 3,906.14

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Solution

The fourth proportional to 12,230.91, 18,337.39 and 3,906.14 is: 5,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.91 : 18,337.39 = 3,906.14 : x
  2. Step 2: Convert to fraction form
    12,230.91/18,337.39 = 3,906.14/x
  3. Step 3: Cross multiply
    12,230.91x = 18,337.39 × 3,906.14
  4. Step 4: Simplify right side
    12,230.91x = 71,628,301.36
  5. Step 5: Solve for x
    x = 71,628,301.36/12,230.91
  6. Step 6: Final answer
    x = 5,856.33

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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.