Home / 21,754.36-32,634.06-7,906.60

Finding the Fourth Proportional to 21,754.36, 32,634.06 and 7,906.60

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Solution

The fourth proportional to 21,754.36, 32,634.06 and 7,906.60 is: 11,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754.36 : 32,634.06 = 7,906.60 : x
  2. Step 2: Convert to fraction form
    21,754.36/32,634.06 = 7,906.60/x
  3. Step 3: Cross multiply
    21,754.36x = 32,634.06 × 7,906.60
  4. Step 4: Simplify right side
    21,754.36x = 258,024,458.80
  5. Step 5: Solve for x
    x = 258,024,458.80/21,754.36
  6. Step 6: Final answer
    x = 11,860.82

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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.