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Finding the Fourth Proportional to 12,243.66, 18,364.96 and 3,924.10

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Solution

The fourth proportional to 12,243.66, 18,364.96 and 3,924.10 is: 5,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.66 : 18,364.96 = 3,924.10 : x
  2. Step 2: Convert to fraction form
    12,243.66/18,364.96 = 3,924.10/x
  3. Step 3: Cross multiply
    12,243.66x = 18,364.96 × 3,924.10
  4. Step 4: Simplify right side
    12,243.66x = 72,065,939.54
  5. Step 5: Solve for x
    x = 72,065,939.54/12,243.66
  6. Step 6: Final answer
    x = 5,885.98

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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.