Home / 12,729.06-19,093.61-3,963.99

Finding the Fourth Proportional to 12,729.06, 19,093.61 and 3,963.99

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Solution

The fourth proportional to 12,729.06, 19,093.61 and 3,963.99 is: 5,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.06 : 19,093.61 = 3,963.99 : x
  2. Step 2: Convert to fraction form
    12,729.06/19,093.61 = 3,963.99/x
  3. Step 3: Cross multiply
    12,729.06x = 19,093.61 × 3,963.99
  4. Step 4: Simplify right side
    12,729.06x = 75,686,859.28
  5. Step 5: Solve for x
    x = 75,686,859.28/12,729.06
  6. Step 6: Final answer
    x = 5,945.99

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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.