Home / 11,171.32-16,759.74-3,380.13

Finding the Fourth Proportional to 11,171.32, 16,759.74 and 3,380.13

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Solution

The fourth proportional to 11,171.32, 16,759.74 and 3,380.13 is: 5,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,171.32 : 16,759.74 = 3,380.13 : x
  2. Step 2: Convert to fraction form
    11,171.32/16,759.74 = 3,380.13/x
  3. Step 3: Cross multiply
    11,171.32x = 16,759.74 × 3,380.13
  4. Step 4: Simplify right side
    11,171.32x = 56,650,099.97
  5. Step 5: Solve for x
    x = 56,650,099.97/11,171.32
  6. Step 6: Final answer
    x = 5,071.03

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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.