Home / 13,188.97-19,785.41-3,829.06

Finding the Fourth Proportional to 13,188.97, 19,785.41 and 3,829.06

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Solution

The fourth proportional to 13,188.97, 19,785.41 and 3,829.06 is: 5,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.97 : 19,785.41 = 3,829.06 : x
  2. Step 2: Convert to fraction form
    13,188.97/19,785.41 = 3,829.06/x
  3. Step 3: Cross multiply
    13,188.97x = 19,785.41 × 3,829.06
  4. Step 4: Simplify right side
    13,188.97x = 75,759,552.33
  5. Step 5: Solve for x
    x = 75,759,552.33/13,188.97
  6. Step 6: Final answer
    x = 5,744.16

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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.