Home / 13,964.97-20,945.07-4,605.09

Finding the Fourth Proportional to 13,964.97, 20,945.07 and 4,605.09

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Solution

The fourth proportional to 13,964.97, 20,945.07 and 4,605.09 is: 6,906.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.97 : 20,945.07 = 4,605.09 : x
  2. Step 2: Convert to fraction form
    13,964.97/20,945.07 = 4,605.09/x
  3. Step 3: Cross multiply
    13,964.97x = 20,945.07 × 4,605.09
  4. Step 4: Simplify right side
    13,964.97x = 96,453,932.41
  5. Step 5: Solve for x
    x = 96,453,932.41/13,964.97
  6. Step 6: Final answer
    x = 6,906.85

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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.