Home / 9,163.62-13,748.94-3,899.88

Finding the Fourth Proportional to 9,163.62, 13,748.94 and 3,899.88

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Solution

The fourth proportional to 9,163.62, 13,748.94 and 3,899.88 is: 5,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.62 : 13,748.94 = 3,899.88 : x
  2. Step 2: Convert to fraction form
    9,163.62/13,748.94 = 3,899.88/x
  3. Step 3: Cross multiply
    9,163.62x = 13,748.94 × 3,899.88
  4. Step 4: Simplify right side
    9,163.62x = 53,619,216.13
  5. Step 5: Solve for x
    x = 53,619,216.13/9,163.62
  6. Step 6: Final answer
    x = 5,851.31

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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.