Home / 13,936.35-20,905.61-4,075.41

Finding the Fourth Proportional to 13,936.35, 20,905.61 and 4,075.41

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Solution

The fourth proportional to 13,936.35, 20,905.61 and 4,075.41 is: 6,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.35 : 20,905.61 = 4,075.41 : x
  2. Step 2: Convert to fraction form
    13,936.35/20,905.61 = 4,075.41/x
  3. Step 3: Cross multiply
    13,936.35x = 20,905.61 × 4,075.41
  4. Step 4: Simplify right side
    13,936.35x = 85,198,911.67
  5. Step 5: Solve for x
    x = 85,198,911.67/13,936.35
  6. Step 6: Final answer
    x = 6,113.43

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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.