Home / 13,940.94-20,907.00-4,578.79

Finding the Fourth Proportional to 13,940.94, 20,907.00 and 4,578.79

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Solution

The fourth proportional to 13,940.94, 20,907.00 and 4,578.79 is: 6,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.94 : 20,907.00 = 4,578.79 : x
  2. Step 2: Convert to fraction form
    13,940.94/20,907.00 = 4,578.79/x
  3. Step 3: Cross multiply
    13,940.94x = 20,907.00 × 4,578.79
  4. Step 4: Simplify right side
    13,940.94x = 95,728,684.22
  5. Step 5: Solve for x
    x = 95,728,684.22/13,940.94
  6. Step 6: Final answer
    x = 6,866.73

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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.