Home / 11,721.03-17,581.56-2,956.62

Finding the Fourth Proportional to 11,721.03, 17,581.56 and 2,956.62

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Solution

The fourth proportional to 11,721.03, 17,581.56 and 2,956.62 is: 4,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.03 : 17,581.56 = 2,956.62 : x
  2. Step 2: Convert to fraction form
    11,721.03/17,581.56 = 2,956.62/x
  3. Step 3: Cross multiply
    11,721.03x = 17,581.56 × 2,956.62
  4. Step 4: Simplify right side
    11,721.03x = 51,981,991.93
  5. Step 5: Solve for x
    x = 51,981,991.93/11,721.03
  6. Step 6: Final answer
    x = 4,434.93

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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.