Home / 12,544.24-18,819.62-3,659.36

Finding the Fourth Proportional to 12,544.24, 18,819.62 and 3,659.36

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Solution

The fourth proportional to 12,544.24, 18,819.62 and 3,659.36 is: 5,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.24 : 18,819.62 = 3,659.36 : x
  2. Step 2: Convert to fraction form
    12,544.24/18,819.62 = 3,659.36/x
  3. Step 3: Cross multiply
    12,544.24x = 18,819.62 × 3,659.36
  4. Step 4: Simplify right side
    12,544.24x = 68,867,764.64
  5. Step 5: Solve for x
    x = 68,867,764.64/12,544.24
  6. Step 6: Final answer
    x = 5,489.99

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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.