Home / 11,170.32-16,758.60-3,379.20

Finding the Fourth Proportional to 11,170.32, 16,758.60 and 3,379.20

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Solution

The fourth proportional to 11,170.32, 16,758.60 and 3,379.20 is: 5,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.32 : 16,758.60 = 3,379.20 : x
  2. Step 2: Convert to fraction form
    11,170.32/16,758.60 = 3,379.20/x
  3. Step 3: Cross multiply
    11,170.32x = 16,758.60 × 3,379.20
  4. Step 4: Simplify right side
    11,170.32x = 56,630,661.12
  5. Step 5: Solve for x
    x = 56,630,661.12/11,170.32
  6. Step 6: Final answer
    x = 5,069.74

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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.