Home / 11,268.12-16,902.11-3,873.11

Finding the Fourth Proportional to 11,268.12, 16,902.11 and 3,873.11

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Solution

The fourth proportional to 11,268.12, 16,902.11 and 3,873.11 is: 5,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.12 : 16,902.11 = 3,873.11 : x
  2. Step 2: Convert to fraction form
    11,268.12/16,902.11 = 3,873.11/x
  3. Step 3: Cross multiply
    11,268.12x = 16,902.11 × 3,873.11
  4. Step 4: Simplify right side
    11,268.12x = 65,463,783.20
  5. Step 5: Solve for x
    x = 65,463,783.20/11,268.12
  6. Step 6: Final answer
    x = 5,809.65

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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.