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Finding the Fourth Proportional to 12,270.96, 16,933.91 and 6,681.96

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Solution

The fourth proportional to 12,270.96, 16,933.91 and 6,681.96 is: 9,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.96 : 16,933.91 = 6,681.96 : x
  2. Step 2: Convert to fraction form
    12,270.96/16,933.91 = 6,681.96/x
  3. Step 3: Cross multiply
    12,270.96x = 16,933.91 × 6,681.96
  4. Step 4: Simplify right side
    12,270.96x = 113,151,675.85
  5. Step 5: Solve for x
    x = 113,151,675.85/12,270.96
  6. Step 6: Final answer
    x = 9,221.09

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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.