Home / 21,996.09-32,987.19-7,201.61

Finding the Fourth Proportional to 21,996.09, 32,987.19 and 7,201.61

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Solution

The fourth proportional to 21,996.09, 32,987.19 and 7,201.61 is: 10,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.09 : 32,987.19 = 7,201.61 : x
  2. Step 2: Convert to fraction form
    21,996.09/32,987.19 = 7,201.61/x
  3. Step 3: Cross multiply
    21,996.09x = 32,987.19 × 7,201.61
  4. Step 4: Simplify right side
    21,996.09x = 237,560,712.44
  5. Step 5: Solve for x
    x = 237,560,712.44/21,996.09
  6. Step 6: Final answer
    x = 10,800.13

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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.