Home / 12,633.92-18,949.60-3,399.36

Finding the Fourth Proportional to 12,633.92, 18,949.60 and 3,399.36

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Solution

The fourth proportional to 12,633.92, 18,949.60 and 3,399.36 is: 5,098.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.92 : 18,949.60 = 3,399.36 : x
  2. Step 2: Convert to fraction form
    12,633.92/18,949.60 = 3,399.36/x
  3. Step 3: Cross multiply
    12,633.92x = 18,949.60 × 3,399.36
  4. Step 4: Simplify right side
    12,633.92x = 64,416,512.26
  5. Step 5: Solve for x
    x = 64,416,512.26/12,633.92
  6. Step 6: Final answer
    x = 5,098.70

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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.