Home / 11,724.42-16,180.08-6,419.23

Finding the Fourth Proportional to 11,724.42, 16,180.08 and 6,419.23

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Solution

The fourth proportional to 11,724.42, 16,180.08 and 6,419.23 is: 8,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.42 : 16,180.08 = 6,419.23 : x
  2. Step 2: Convert to fraction form
    11,724.42/16,180.08 = 6,419.23/x
  3. Step 3: Cross multiply
    11,724.42x = 16,180.08 × 6,419.23
  4. Step 4: Simplify right side
    11,724.42x = 103,863,654.94
  5. Step 5: Solve for x
    x = 103,863,654.94/11,724.42
  6. Step 6: Final answer
    x = 8,858.75

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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.