Home / 20,141.46-27,794.14-11,643.75

Finding the Fourth Proportional to 20,141.46, 27,794.14 and 11,643.75

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Solution

The fourth proportional to 20,141.46, 27,794.14 and 11,643.75 is: 16,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.46 : 27,794.14 = 11,643.75 : x
  2. Step 2: Convert to fraction form
    20,141.46/27,794.14 = 11,643.75/x
  3. Step 3: Cross multiply
    20,141.46x = 27,794.14 × 11,643.75
  4. Step 4: Simplify right side
    20,141.46x = 323,627,988.52
  5. Step 5: Solve for x
    x = 323,627,988.52/20,141.46
  6. Step 6: Final answer
    x = 16,067.75

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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.