Home / 13,958.82-20,942.30-5,634.58

Finding the Fourth Proportional to 13,958.82, 20,942.30 and 5,634.58

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Solution

The fourth proportional to 13,958.82, 20,942.30 and 5,634.58 is: 8,453.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.82 : 20,942.30 = 5,634.58 : x
  2. Step 2: Convert to fraction form
    13,958.82/20,942.30 = 5,634.58/x
  3. Step 3: Cross multiply
    13,958.82x = 20,942.30 × 5,634.58
  4. Step 4: Simplify right side
    13,958.82x = 118,001,064.73
  5. Step 5: Solve for x
    x = 118,001,064.73/13,958.82
  6. Step 6: Final answer
    x = 8,453.51

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1.5x scale

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.