Home / 21,912.06-32,856.39-11,371.46

Finding the Fourth Proportional to 21,912.06, 32,856.39 and 11,371.46

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Solution

The fourth proportional to 21,912.06, 32,856.39 and 11,371.46 is: 17,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912.06 : 32,856.39 = 11,371.46 : x
  2. Step 2: Convert to fraction form
    21,912.06/32,856.39 = 11,371.46/x
  3. Step 3: Cross multiply
    21,912.06x = 32,856.39 × 11,371.46
  4. Step 4: Simplify right side
    21,912.06x = 373,625,124.63
  5. Step 5: Solve for x
    x = 373,625,124.63/21,912.06
  6. Step 6: Final answer
    x = 17,051.12

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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.