Home / 11,181.21-16,773.87-3,685.20

Finding the Fourth Proportional to 11,181.21, 16,773.87 and 3,685.20

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Solution

The fourth proportional to 11,181.21, 16,773.87 and 3,685.20 is: 5,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.21 : 16,773.87 = 3,685.20 : x
  2. Step 2: Convert to fraction form
    11,181.21/16,773.87 = 3,685.20/x
  3. Step 3: Cross multiply
    11,181.21x = 16,773.87 × 3,685.20
  4. Step 4: Simplify right side
    11,181.21x = 61,815,065.72
  5. Step 5: Solve for x
    x = 61,815,065.72/11,181.21
  6. Step 6: Final answer
    x = 5,528.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.