Home / 11,161.32-16,745.10-3,370.20

Finding the Fourth Proportional to 11,161.32, 16,745.10 and 3,370.20

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Solution

The fourth proportional to 11,161.32, 16,745.10 and 3,370.20 is: 5,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.32 : 16,745.10 = 3,370.20 : x
  2. Step 2: Convert to fraction form
    11,161.32/16,745.10 = 3,370.20/x
  3. Step 3: Cross multiply
    11,161.32x = 16,745.10 × 3,370.20
  4. Step 4: Simplify right side
    11,161.32x = 56,434,336.02
  5. Step 5: Solve for x
    x = 56,434,336.02/11,161.32
  6. Step 6: Final answer
    x = 5,056.24

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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.