Home / 11,200.31-16,789.44-5,355.55

Finding the Fourth Proportional to 11,200.31, 16,789.44 and 5,355.55

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Solution

The fourth proportional to 11,200.31, 16,789.44 and 5,355.55 is: 8,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.31 : 16,789.44 = 5,355.55 : x
  2. Step 2: Convert to fraction form
    11,200.31/16,789.44 = 5,355.55/x
  3. Step 3: Cross multiply
    11,200.31x = 16,789.44 × 5,355.55
  4. Step 4: Simplify right side
    11,200.31x = 89,916,601.44
  5. Step 5: Solve for x
    x = 89,916,601.44/11,200.31
  6. Step 6: Final answer
    x = 8,028.05

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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.