Home / 13,756.16-20,634.24-3,895.49

Finding the Fourth Proportional to 13,756.16, 20,634.24 and 3,895.49

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Solution

The fourth proportional to 13,756.16, 20,634.24 and 3,895.49 is: 5,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.16 : 20,634.24 = 3,895.49 : x
  2. Step 2: Convert to fraction form
    13,756.16/20,634.24 = 3,895.49/x
  3. Step 3: Cross multiply
    13,756.16x = 20,634.24 × 3,895.49
  4. Step 4: Simplify right side
    13,756.16x = 80,380,475.58
  5. Step 5: Solve for x
    x = 80,380,475.58/13,756.16
  6. Step 6: Final answer
    x = 5,843.24

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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.