Home / 11,150.88-16,728.48-4,230.24

Finding the Fourth Proportional to 11,150.88, 16,728.48 and 4,230.24

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Solution

The fourth proportional to 11,150.88, 16,728.48 and 4,230.24 is: 6,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.88 : 16,728.48 = 4,230.24 : x
  2. Step 2: Convert to fraction form
    11,150.88/16,728.48 = 4,230.24/x
  3. Step 3: Cross multiply
    11,150.88x = 16,728.48 × 4,230.24
  4. Step 4: Simplify right side
    11,150.88x = 70,765,485.24
  5. Step 5: Solve for x
    x = 70,765,485.24/11,150.88
  6. Step 6: Final answer
    x = 6,346.18

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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.