Home / 11,121.37-16,682.06-2,801.39

Finding the Fourth Proportional to 11,121.37, 16,682.06 and 2,801.39

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Solution

The fourth proportional to 11,121.37, 16,682.06 and 2,801.39 is: 4,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.37 : 16,682.06 = 2,801.39 : x
  2. Step 2: Convert to fraction form
    11,121.37/16,682.06 = 2,801.39/x
  3. Step 3: Cross multiply
    11,121.37x = 16,682.06 × 2,801.39
  4. Step 4: Simplify right side
    11,121.37x = 46,732,879.66
  5. Step 5: Solve for x
    x = 46,732,879.66/11,121.37
  6. Step 6: Final answer
    x = 4,202.08

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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.