Home / 10,960.60-16,440.90-3,170.20

Finding the Fourth Proportional to 10,960.60, 16,440.90 and 3,170.20

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Solution

The fourth proportional to 10,960.60, 16,440.90 and 3,170.20 is: 4,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.60 : 16,440.90 = 3,170.20 : x
  2. Step 2: Convert to fraction form
    10,960.60/16,440.90 = 3,170.20/x
  3. Step 3: Cross multiply
    10,960.60x = 16,440.90 × 3,170.20
  4. Step 4: Simplify right side
    10,960.60x = 52,120,941.18
  5. Step 5: Solve for x
    x = 52,120,941.18/10,960.60
  6. Step 6: Final answer
    x = 4,755.30

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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.