Home / 13,797.23-20,695.94-3,936.59

Finding the Fourth Proportional to 13,797.23, 20,695.94 and 3,936.59

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Solution

The fourth proportional to 13,797.23, 20,695.94 and 3,936.59 is: 5,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.23 : 20,695.94 = 3,936.59 : x
  2. Step 2: Convert to fraction form
    13,797.23/20,695.94 = 3,936.59/x
  3. Step 3: Cross multiply
    13,797.23x = 20,695.94 × 3,936.59
  4. Step 4: Simplify right side
    13,797.23x = 81,471,307.28
  5. Step 5: Solve for x
    x = 81,471,307.28/13,797.23
  6. Step 6: Final answer
    x = 5,904.91

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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.