Home / 21,966.40-32,942.79-7,924.60

Finding the Fourth Proportional to 21,966.40, 32,942.79 and 7,924.60

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Solution

The fourth proportional to 21,966.40, 32,942.79 and 7,924.60 is: 11,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.40 : 32,942.79 = 7,924.60 : x
  2. Step 2: Convert to fraction form
    21,966.40/32,942.79 = 7,924.60/x
  3. Step 3: Cross multiply
    21,966.40x = 32,942.79 × 7,924.60
  4. Step 4: Simplify right side
    21,966.40x = 261,058,452.52
  5. Step 5: Solve for x
    x = 261,058,452.52/21,966.40
  6. Step 6: Final answer
    x = 11,884.44

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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.