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Finding the Fourth Proportional to 11,752.40, 17,623.20 and 5,175.20

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Solution

The fourth proportional to 11,752.40, 17,623.20 and 5,175.20 is: 7,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.40 : 17,623.20 = 5,175.20 : x
  2. Step 2: Convert to fraction form
    11,752.40/17,623.20 = 5,175.20/x
  3. Step 3: Cross multiply
    11,752.40x = 17,623.20 × 5,175.20
  4. Step 4: Simplify right side
    11,752.40x = 91,203,584.64
  5. Step 5: Solve for x
    x = 91,203,584.64/11,752.40
  6. Step 6: Final answer
    x = 7,760.42

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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.