Home / 11,171.32-16,745.28-3,773.20

Finding the Fourth Proportional to 11,171.32, 16,745.28 and 3,773.20

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Solution

The fourth proportional to 11,171.32, 16,745.28 and 3,773.20 is: 5,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.32 : 16,745.28 = 3,773.20 : x
  2. Step 2: Convert to fraction form
    11,171.32/16,745.28 = 3,773.20/x
  3. Step 3: Cross multiply
    11,171.32x = 16,745.28 × 3,773.20
  4. Step 4: Simplify right side
    11,171.32x = 63,183,290.50
  5. Step 5: Solve for x
    x = 63,183,290.50/11,171.32
  6. Step 6: Final answer
    x = 5,655.85

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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.