Home / 21,160.36-31,743.78-6,367.33

Finding the Fourth Proportional to 21,160.36, 31,743.78 and 6,367.33

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Solution

The fourth proportional to 21,160.36, 31,743.78 and 6,367.33 is: 9,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.36 : 31,743.78 = 6,367.33 : x
  2. Step 2: Convert to fraction form
    21,160.36/31,743.78 = 6,367.33/x
  3. Step 3: Cross multiply
    21,160.36x = 31,743.78 × 6,367.33
  4. Step 4: Simplify right side
    21,160.36x = 202,123,122.71
  5. Step 5: Solve for x
    x = 202,123,122.71/21,160.36
  6. Step 6: Final answer
    x = 9,551.97

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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.