Home / 21,912.56-32,857.14-11,371.97

Finding the Fourth Proportional to 21,912.56, 32,857.14 and 11,371.97

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Solution

The fourth proportional to 21,912.56, 32,857.14 and 11,371.97 is: 17,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912.56 : 32,857.14 = 11,371.97 : x
  2. Step 2: Convert to fraction form
    21,912.56/32,857.14 = 11,371.97/x
  3. Step 3: Cross multiply
    21,912.56x = 32,857.14 × 11,371.97
  4. Step 4: Simplify right side
    21,912.56x = 373,650,246.08
  5. Step 5: Solve for x
    x = 373,650,246.08/21,912.56
  6. Step 6: Final answer
    x = 17,051.88

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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.