Home / 13,199.26-19,800.20-3,839.36

Finding the Fourth Proportional to 13,199.26, 19,800.20 and 3,839.36

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Solution

The fourth proportional to 13,199.26, 19,800.20 and 3,839.36 is: 5,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.26 : 19,800.20 = 3,839.36 : x
  2. Step 2: Convert to fraction form
    13,199.26/19,800.20 = 3,839.36/x
  3. Step 3: Cross multiply
    13,199.26x = 19,800.20 × 3,839.36
  4. Step 4: Simplify right side
    13,199.26x = 76,020,095.87
  5. Step 5: Solve for x
    x = 76,020,095.87/13,199.26
  6. Step 6: Final answer
    x = 5,759.42

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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.