Home / 13,723.59-20,577.69-4,361.88

Finding the Fourth Proportional to 13,723.59, 20,577.69 and 4,361.88

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Solution

The fourth proportional to 13,723.59, 20,577.69 and 4,361.88 is: 6,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.59 : 20,577.69 = 4,361.88 : x
  2. Step 2: Convert to fraction form
    13,723.59/20,577.69 = 4,361.88/x
  3. Step 3: Cross multiply
    13,723.59x = 20,577.69 × 4,361.88
  4. Step 4: Simplify right side
    13,723.59x = 89,757,414.46
  5. Step 5: Solve for x
    x = 89,757,414.46/13,723.59
  6. Step 6: Final answer
    x = 6,540.37

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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.