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Finding the Fourth Proportional to 13,777.33, 20,658.22 and 6,372.62

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Solution

The fourth proportional to 13,777.33, 20,658.22 and 6,372.62 is: 9,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.33 : 20,658.22 = 6,372.62 : x
  2. Step 2: Convert to fraction form
    13,777.33/20,658.22 = 6,372.62/x
  3. Step 3: Cross multiply
    13,777.33x = 20,658.22 × 6,372.62
  4. Step 4: Simplify right side
    13,777.33x = 131,646,985.94
  5. Step 5: Solve for x
    x = 131,646,985.94/13,777.33
  6. Step 6: Final answer
    x = 9,555.33

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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.