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Finding the Fourth Proportional to 12,236.52, 16,885.18 and 6,930.28

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Solution

The fourth proportional to 12,236.52, 16,885.18 and 6,930.28 is: 9,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.52 : 16,885.18 = 6,930.28 : x
  2. Step 2: Convert to fraction form
    12,236.52/16,885.18 = 6,930.28/x
  3. Step 3: Cross multiply
    12,236.52x = 16,885.18 × 6,930.28
  4. Step 4: Simplify right side
    12,236.52x = 117,019,025.25
  5. Step 5: Solve for x
    x = 117,019,025.25/12,236.52
  6. Step 6: Final answer
    x = 9,563.10

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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.