Home / 10,961.32-16,442.46-3,170.92

Finding the Fourth Proportional to 10,961.32, 16,442.46 and 3,170.92

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Solution

The fourth proportional to 10,961.32, 16,442.46 and 3,170.92 is: 4,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.32 : 16,442.46 = 3,170.92 : x
  2. Step 2: Convert to fraction form
    10,961.32/16,442.46 = 3,170.92/x
  3. Step 3: Cross multiply
    10,961.32x = 16,442.46 × 3,170.92
  4. Step 4: Simplify right side
    10,961.32x = 52,137,725.26
  5. Step 5: Solve for x
    x = 52,137,725.26/10,961.32
  6. Step 6: Final answer
    x = 4,756.52

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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.