Home / 11,970.82-17,955.97-3,205.73

Finding the Fourth Proportional to 11,970.82, 17,955.97 and 3,205.73

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Solution

The fourth proportional to 11,970.82, 17,955.97 and 3,205.73 is: 4,808.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.82 : 17,955.97 = 3,205.73 : x
  2. Step 2: Convert to fraction form
    11,970.82/17,955.97 = 3,205.73/x
  3. Step 3: Cross multiply
    11,970.82x = 17,955.97 × 3,205.73
  4. Step 4: Simplify right side
    11,970.82x = 57,561,991.71
  5. Step 5: Solve for x
    x = 57,561,991.71/11,970.82
  6. Step 6: Final answer
    x = 4,808.53

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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.