Home / 11,956.62-16,499.91-6,651.39

Finding the Fourth Proportional to 11,956.62, 16,499.91 and 6,651.39

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Solution

The fourth proportional to 11,956.62, 16,499.91 and 6,651.39 is: 9,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.62 : 16,499.91 = 6,651.39 : x
  2. Step 2: Convert to fraction form
    11,956.62/16,499.91 = 6,651.39/x
  3. Step 3: Cross multiply
    11,956.62x = 16,499.91 × 6,651.39
  4. Step 4: Simplify right side
    11,956.62x = 109,747,336.37
  5. Step 5: Solve for x
    x = 109,747,336.37/11,956.62
  6. Step 6: Final answer
    x = 9,178.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.