Home / 11,236.20-16,856.70-3,445.80

Finding the Fourth Proportional to 11,236.20, 16,856.70 and 3,445.80

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Solution

The fourth proportional to 11,236.20, 16,856.70 and 3,445.80 is: 5,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.20 : 16,856.70 = 3,445.80 : x
  2. Step 2: Convert to fraction form
    11,236.20/16,856.70 = 3,445.80/x
  3. Step 3: Cross multiply
    11,236.20x = 16,856.70 × 3,445.80
  4. Step 4: Simplify right side
    11,236.20x = 58,084,816.86
  5. Step 5: Solve for x
    x = 58,084,816.86/11,236.20
  6. Step 6: Final answer
    x = 5,169.44

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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.