Home / 11,721.96-17,582.31-2,956.37

Finding the Fourth Proportional to 11,721.96, 17,582.31 and 2,956.37

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Solution

The fourth proportional to 11,721.96, 17,582.31 and 2,956.37 is: 4,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.96 : 17,582.31 = 2,956.37 : x
  2. Step 2: Convert to fraction form
    11,721.96/17,582.31 = 2,956.37/x
  3. Step 3: Cross multiply
    11,721.96x = 17,582.31 × 2,956.37
  4. Step 4: Simplify right side
    11,721.96x = 51,979,725.90
  5. Step 5: Solve for x
    x = 51,979,725.90/11,721.96
  6. Step 6: Final answer
    x = 4,434.39

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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.