Home / 21,972.26-32,951.56-7,930.46

Finding the Fourth Proportional to 21,972.26, 32,951.56 and 7,930.46

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Solution

The fourth proportional to 21,972.26, 32,951.56 and 7,930.46 is: 11,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.26 : 32,951.56 = 7,930.46 : x
  2. Step 2: Convert to fraction form
    21,972.26/32,951.56 = 7,930.46/x
  3. Step 3: Cross multiply
    21,972.26x = 32,951.56 × 7,930.46
  4. Step 4: Simplify right side
    21,972.26x = 261,321,028.52
  5. Step 5: Solve for x
    x = 261,321,028.52/21,972.26
  6. Step 6: Final answer
    x = 11,893.22

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1.5x scale

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.