Home / 11,152.20-16,728.30-5,622.60

Finding the Fourth Proportional to 11,152.20, 16,728.30 and 5,622.60

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Solution

The fourth proportional to 11,152.20, 16,728.30 and 5,622.60 is: 8,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.20 : 16,728.30 = 5,622.60 : x
  2. Step 2: Convert to fraction form
    11,152.20/16,728.30 = 5,622.60/x
  3. Step 3: Cross multiply
    11,152.20x = 16,728.30 × 5,622.60
  4. Step 4: Simplify right side
    11,152.20x = 94,056,539.58
  5. Step 5: Solve for x
    x = 94,056,539.58/11,152.20
  6. Step 6: Final answer
    x = 8,433.90

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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.