Home / 11,351.79-17,027.82-3,956.40

Finding the Fourth Proportional to 11,351.79, 17,027.82 and 3,956.40

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Solution

The fourth proportional to 11,351.79, 17,027.82 and 3,956.40 is: 5,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.79 : 17,027.82 = 3,956.40 : x
  2. Step 2: Convert to fraction form
    11,351.79/17,027.82 = 3,956.40/x
  3. Step 3: Cross multiply
    11,351.79x = 17,027.82 × 3,956.40
  4. Step 4: Simplify right side
    11,351.79x = 67,368,867.05
  5. Step 5: Solve for x
    x = 67,368,867.05/11,351.79
  6. Step 6: Final answer
    x = 5,934.65

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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.