Home / 19,942.88-27,504.39-11,983.55

Finding the Fourth Proportional to 19,942.88, 27,504.39 and 11,983.55

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Solution

The fourth proportional to 19,942.88, 27,504.39 and 11,983.55 is: 16,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.88 : 27,504.39 = 11,983.55 : x
  2. Step 2: Convert to fraction form
    19,942.88/27,504.39 = 11,983.55/x
  3. Step 3: Cross multiply
    19,942.88x = 27,504.39 × 11,983.55
  4. Step 4: Simplify right side
    19,942.88x = 329,600,140.20
  5. Step 5: Solve for x
    x = 329,600,140.20/19,942.88
  6. Step 6: Final answer
    x = 16,527.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.