Home / 13,223.55-19,836.54-3,863.64

Finding the Fourth Proportional to 13,223.55, 19,836.54 and 3,863.64

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Solution

The fourth proportional to 13,223.55, 19,836.54 and 3,863.64 is: 5,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.55 : 19,836.54 = 3,863.64 : x
  2. Step 2: Convert to fraction form
    13,223.55/19,836.54 = 3,863.64/x
  3. Step 3: Cross multiply
    13,223.55x = 19,836.54 × 3,863.64
  4. Step 4: Simplify right side
    13,223.55x = 76,641,249.41
  5. Step 5: Solve for x
    x = 76,641,249.41/13,223.55
  6. Step 6: Final answer
    x = 5,795.81

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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.