Home / 13,198.26-19,798.70-3,838.36

Finding the Fourth Proportional to 13,198.26, 19,798.70 and 3,838.36

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Solution

The fourth proportional to 13,198.26, 19,798.70 and 3,838.36 is: 5,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.26 : 19,798.70 = 3,838.36 : x
  2. Step 2: Convert to fraction form
    13,198.26/19,798.70 = 3,838.36/x
  3. Step 3: Cross multiply
    13,198.26x = 19,798.70 × 3,838.36
  4. Step 4: Simplify right side
    13,198.26x = 75,994,538.13
  5. Step 5: Solve for x
    x = 75,994,538.13/13,198.26
  6. Step 6: Final answer
    x = 5,757.92

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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.