Home / 11,216.88-16,825.32-3,425.76

Finding the Fourth Proportional to 11,216.88, 16,825.32 and 3,425.76

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Solution

The fourth proportional to 11,216.88, 16,825.32 and 3,425.76 is: 5,138.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.88 : 16,825.32 = 3,425.76 : x
  2. Step 2: Convert to fraction form
    11,216.88/16,825.32 = 3,425.76/x
  3. Step 3: Cross multiply
    11,216.88x = 16,825.32 × 3,425.76
  4. Step 4: Simplify right side
    11,216.88x = 57,639,508.24
  5. Step 5: Solve for x
    x = 57,639,508.24/11,216.88
  6. Step 6: Final answer
    x = 5,138.64

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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.