Home / 13,196.28-19,794.42-3,836.88

Finding the Fourth Proportional to 13,196.28, 19,794.42 and 3,836.88

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Solution

The fourth proportional to 13,196.28, 19,794.42 and 3,836.88 is: 5,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.28 : 19,794.42 = 3,836.88 : x
  2. Step 2: Convert to fraction form
    13,196.28/19,794.42 = 3,836.88/x
  3. Step 3: Cross multiply
    13,196.28x = 19,794.42 × 3,836.88
  4. Step 4: Simplify right side
    13,196.28x = 75,948,814.21
  5. Step 5: Solve for x
    x = 75,948,814.21/13,196.28
  6. Step 6: Final answer
    x = 5,755.32

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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.