Home / 13,795.44-20,694.38-3,934.50

Finding the Fourth Proportional to 13,795.44, 20,694.38 and 3,934.50

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Solution

The fourth proportional to 13,795.44, 20,694.38 and 3,934.50 is: 5,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.44 : 20,694.38 = 3,934.50 : x
  2. Step 2: Convert to fraction form
    13,795.44/20,694.38 = 3,934.50/x
  3. Step 3: Cross multiply
    13,795.44x = 20,694.38 × 3,934.50
  4. Step 4: Simplify right side
    13,795.44x = 81,422,018.44
  5. Step 5: Solve for x
    x = 81,422,018.44/13,795.44
  6. Step 6: Final answer
    x = 5,902.10

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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.