Home / 13,634.34-20,459.43-5,736.29

Finding the Fourth Proportional to 13,634.34, 20,459.43 and 5,736.29

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Solution

The fourth proportional to 13,634.34, 20,459.43 and 5,736.29 is: 8,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.34 : 20,459.43 = 5,736.29 : x
  2. Step 2: Convert to fraction form
    13,634.34/20,459.43 = 5,736.29/x
  3. Step 3: Cross multiply
    13,634.34x = 20,459.43 × 5,736.29
  4. Step 4: Simplify right side
    13,634.34x = 117,361,121.42
  5. Step 5: Solve for x
    x = 117,361,121.42/13,634.34
  6. Step 6: Final answer
    x = 8,607.76

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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.