Home / 13,936.44-20,907.92-4,075.88

Finding the Fourth Proportional to 13,936.44, 20,907.92 and 4,075.88

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Solution

The fourth proportional to 13,936.44, 20,907.92 and 4,075.88 is: 6,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.44 : 20,907.92 = 4,075.88 : x
  2. Step 2: Convert to fraction form
    13,936.44/20,907.92 = 4,075.88/x
  3. Step 3: Cross multiply
    13,936.44x = 20,907.92 × 4,075.88
  4. Step 4: Simplify right side
    13,936.44x = 85,218,172.97
  5. Step 5: Solve for x
    x = 85,218,172.97/13,936.44
  6. Step 6: Final answer
    x = 6,114.77

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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.