Home / 12,336.22-18,504.66-3,571.48

Finding the Fourth Proportional to 12,336.22, 18,504.66 and 3,571.48

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Solution

The fourth proportional to 12,336.22, 18,504.66 and 3,571.48 is: 5,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.22 : 18,504.66 = 3,571.48 : x
  2. Step 2: Convert to fraction form
    12,336.22/18,504.66 = 3,571.48/x
  3. Step 3: Cross multiply
    12,336.22x = 18,504.66 × 3,571.48
  4. Step 4: Simplify right side
    12,336.22x = 66,089,023.10
  5. Step 5: Solve for x
    x = 66,089,023.10/12,336.22
  6. Step 6: Final answer
    x = 5,357.32

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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.