Home / 11,809.17-17,705.48-5,231.79

Finding the Fourth Proportional to 11,809.17, 17,705.48 and 5,231.79

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Solution

The fourth proportional to 11,809.17, 17,705.48 and 5,231.79 is: 7,844.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.17 : 17,705.48 = 5,231.79 : x
  2. Step 2: Convert to fraction form
    11,809.17/17,705.48 = 5,231.79/x
  3. Step 3: Cross multiply
    11,809.17x = 17,705.48 × 5,231.79
  4. Step 4: Simplify right side
    11,809.17x = 92,631,327.05
  5. Step 5: Solve for x
    x = 92,631,327.05/11,809.17
  6. Step 6: Final answer
    x = 7,844.02

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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.