Home / 15,122.12-22,674.36-11,121.88

Finding the Fourth Proportional to 15,122.12, 22,674.36 and 11,121.88

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Solution

The fourth proportional to 15,122.12, 22,674.36 and 11,121.88 is: 16,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.12 : 22,674.36 = 11,121.88 : x
  2. Step 2: Convert to fraction form
    15,122.12/22,674.36 = 11,121.88/x
  3. Step 3: Cross multiply
    15,122.12x = 22,674.36 × 11,121.88
  4. Step 4: Simplify right side
    15,122.12x = 252,181,511.00
  5. Step 5: Solve for x
    x = 252,181,511.00/15,122.12
  6. Step 6: Final answer
    x = 16,676.33

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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.