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Finding the Fourth Proportional to 13,297.29, 18,350.73 and 7,329.42

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Solution

The fourth proportional to 13,297.29, 18,350.73 and 7,329.42 is: 10,114.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.29 : 18,350.73 = 7,329.42 : x
  2. Step 2: Convert to fraction form
    13,297.29/18,350.73 = 7,329.42/x
  3. Step 3: Cross multiply
    13,297.29x = 18,350.73 × 7,329.42
  4. Step 4: Simplify right side
    13,297.29x = 134,500,207.48
  5. Step 5: Solve for x
    x = 134,500,207.48/13,297.29
  6. Step 6: Final answer
    x = 10,114.86

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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.