Home / 12,223.08-18,334.62-4,326.39

Finding the Fourth Proportional to 12,223.08, 18,334.62 and 4,326.39

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Solution

The fourth proportional to 12,223.08, 18,334.62 and 4,326.39 is: 6,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.08 : 18,334.62 = 4,326.39 : x
  2. Step 2: Convert to fraction form
    12,223.08/18,334.62 = 4,326.39/x
  3. Step 3: Cross multiply
    12,223.08x = 18,334.62 × 4,326.39
  4. Step 4: Simplify right side
    12,223.08x = 79,322,716.62
  5. Step 5: Solve for x
    x = 79,322,716.62/12,223.08
  6. Step 6: Final answer
    x = 6,489.59

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Similar ratio
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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.