Home / 11,324.36-16,979.90-3,424.52

Finding the Fourth Proportional to 11,324.36, 16,979.90 and 3,424.52

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Solution

The fourth proportional to 11,324.36, 16,979.90 and 3,424.52 is: 5,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.36 : 16,979.90 = 3,424.52 : x
  2. Step 2: Convert to fraction form
    11,324.36/16,979.90 = 3,424.52/x
  3. Step 3: Cross multiply
    11,324.36x = 16,979.90 × 3,424.52
  4. Step 4: Simplify right side
    11,324.36x = 58,147,905.13
  5. Step 5: Solve for x
    x = 58,147,905.13/11,324.36
  6. Step 6: Final answer
    x = 5,134.77

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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.