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Finding the Fourth Proportional to 12,117.41, 16,722.05 and 6,812.27

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Solution

The fourth proportional to 12,117.41, 16,722.05 and 6,812.27 is: 9,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.41 : 16,722.05 = 6,812.27 : x
  2. Step 2: Convert to fraction form
    12,117.41/16,722.05 = 6,812.27/x
  3. Step 3: Cross multiply
    12,117.41x = 16,722.05 × 6,812.27
  4. Step 4: Simplify right side
    12,117.41x = 113,915,001.88
  5. Step 5: Solve for x
    x = 113,915,001.88/12,117.41
  6. Step 6: Final answer
    x = 9,400.94

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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.