Home / 13,150.38-19,728.80-6,223.26

Finding the Fourth Proportional to 13,150.38, 19,728.80 and 6,223.26

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Solution

The fourth proportional to 13,150.38, 19,728.80 and 6,223.26 is: 9,336.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.38 : 19,728.80 = 6,223.26 : x
  2. Step 2: Convert to fraction form
    13,150.38/19,728.80 = 6,223.26/x
  3. Step 3: Cross multiply
    13,150.38x = 19,728.80 × 6,223.26
  4. Step 4: Simplify right side
    13,150.38x = 122,777,451.89
  5. Step 5: Solve for x
    x = 122,777,451.89/13,150.38
  6. Step 6: Final answer
    x = 9,336.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.