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Finding the Fourth Proportional to 14,107.26, 19,468.69 and 7,819.64

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Solution

The fourth proportional to 14,107.26, 19,468.69 and 7,819.64 is: 10,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.26 : 19,468.69 = 7,819.64 : x
  2. Step 2: Convert to fraction form
    14,107.26/19,468.69 = 7,819.64/x
  3. Step 3: Cross multiply
    14,107.26x = 19,468.69 × 7,819.64
  4. Step 4: Simplify right side
    14,107.26x = 152,238,147.07
  5. Step 5: Solve for x
    x = 152,238,147.07/14,107.26
  6. Step 6: Final answer
    x = 10,791.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.