Home / 11,129.16-16,682.76-6,201.12

Finding the Fourth Proportional to 11,129.16, 16,682.76 and 6,201.12

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Solution

The fourth proportional to 11,129.16, 16,682.76 and 6,201.12 is: 9,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.16 : 16,682.76 = 6,201.12 : x
  2. Step 2: Convert to fraction form
    11,129.16/16,682.76 = 6,201.12/x
  3. Step 3: Cross multiply
    11,129.16x = 16,682.76 × 6,201.12
  4. Step 4: Simplify right side
    11,129.16x = 103,451,796.69
  5. Step 5: Solve for x
    x = 103,451,796.69/11,129.16
  6. Step 6: Final answer
    x = 9,295.56

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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.