Home / 13,194.15-18,216.42-11,775.39

Finding the Fourth Proportional to 13,194.15, 18,216.42 and 11,775.39

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Solution

The fourth proportional to 13,194.15, 18,216.42 and 11,775.39 is: 16,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.15 : 18,216.42 = 11,775.39 : x
  2. Step 2: Convert to fraction form
    13,194.15/18,216.42 = 11,775.39/x
  3. Step 3: Cross multiply
    13,194.15x = 18,216.42 × 11,775.39
  4. Step 4: Simplify right side
    13,194.15x = 214,505,449.90
  5. Step 5: Solve for x
    x = 214,505,449.90/13,194.15
  6. Step 6: Final answer
    x = 16,257.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.