Home / 13,634.82-20,452.43-8,984.61

Finding the Fourth Proportional to 13,634.82, 20,452.43 and 8,984.61

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Solution

The fourth proportional to 13,634.82, 20,452.43 and 8,984.61 is: 13,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.82 : 20,452.43 = 8,984.61 : x
  2. Step 2: Convert to fraction form
    13,634.82/20,452.43 = 8,984.61/x
  3. Step 3: Cross multiply
    13,634.82x = 20,452.43 × 8,984.61
  4. Step 4: Simplify right side
    13,634.82x = 183,757,107.10
  5. Step 5: Solve for x
    x = 183,757,107.10/13,634.82
  6. Step 6: Final answer
    x = 13,477.05

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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.