Home / 12,074.25-18,109.43-3,307.11

Finding the Fourth Proportional to 12,074.25, 18,109.43 and 3,307.11

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Solution

The fourth proportional to 12,074.25, 18,109.43 and 3,307.11 is: 4,960.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.25 : 18,109.43 = 3,307.11 : x
  2. Step 2: Convert to fraction form
    12,074.25/18,109.43 = 3,307.11/x
  3. Step 3: Cross multiply
    12,074.25x = 18,109.43 × 3,307.11
  4. Step 4: Simplify right side
    12,074.25x = 59,889,906.87
  5. Step 5: Solve for x
    x = 59,889,906.87/12,074.25
  6. Step 6: Final answer
    x = 4,960.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.