Home / 12,224.45-18,336.83-3,904.43

Finding the Fourth Proportional to 12,224.45, 18,336.83 and 3,904.43

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Solution

The fourth proportional to 12,224.45, 18,336.83 and 3,904.43 is: 5,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.45 : 18,336.83 = 3,904.43 : x
  2. Step 2: Convert to fraction form
    12,224.45/18,336.83 = 3,904.43/x
  3. Step 3: Cross multiply
    12,224.45x = 18,336.83 × 3,904.43
  4. Step 4: Simplify right side
    12,224.45x = 71,594,757.95
  5. Step 5: Solve for x
    x = 71,594,757.95/12,224.45
  6. Step 6: Final answer
    x = 5,856.68

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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.