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Finding the Fourth Proportional to 13,799.33, 19,042.13 and 7,511.57

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Solution

The fourth proportional to 13,799.33, 19,042.13 and 7,511.57 is: 10,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.33 : 19,042.13 = 7,511.57 : x
  2. Step 2: Convert to fraction form
    13,799.33/19,042.13 = 7,511.57/x
  3. Step 3: Cross multiply
    13,799.33x = 19,042.13 × 7,511.57
  4. Step 4: Simplify right side
    13,799.33x = 143,036,292.44
  5. Step 5: Solve for x
    x = 143,036,292.44/13,799.33
  6. Step 6: Final answer
    x = 10,365.45

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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.