Home / 13,199.70-19,802.66-3,839.93

Finding the Fourth Proportional to 13,199.70, 19,802.66 and 3,839.93

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Solution

The fourth proportional to 13,199.70, 19,802.66 and 3,839.93 is: 5,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199.70 : 19,802.66 = 3,839.93 : x
  2. Step 2: Convert to fraction form
    13,199.70/19,802.66 = 3,839.93/x
  3. Step 3: Cross multiply
    13,199.70x = 19,802.66 × 3,839.93
  4. Step 4: Simplify right side
    13,199.70x = 76,040,724.40
  5. Step 5: Solve for x
    x = 76,040,724.40/13,199.70
  6. Step 6: Final answer
    x = 5,760.79

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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.