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Finding the Fourth Proportional to 13,845.52, 19,107.08 and 8,256.52

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Solution

The fourth proportional to 13,845.52, 19,107.08 and 8,256.52 is: 11,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.52 : 19,107.08 = 8,256.52 : x
  2. Step 2: Convert to fraction form
    13,845.52/19,107.08 = 8,256.52/x
  3. Step 3: Cross multiply
    13,845.52x = 19,107.08 × 8,256.52
  4. Step 4: Simplify right side
    13,845.52x = 157,757,988.16
  5. Step 5: Solve for x
    x = 157,757,988.16/13,845.52
  6. Step 6: Final answer
    x = 11,394.15

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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.