Home / 14,122.20-21,183.46-4,261.56

Finding the Fourth Proportional to 14,122.20, 21,183.46 and 4,261.56

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Solution

The fourth proportional to 14,122.20, 21,183.46 and 4,261.56 is: 6,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.20 : 21,183.46 = 4,261.56 : x
  2. Step 2: Convert to fraction form
    14,122.20/21,183.46 = 4,261.56/x
  3. Step 3: Cross multiply
    14,122.20x = 21,183.46 × 4,261.56
  4. Step 4: Simplify right side
    14,122.20x = 90,274,575.14
  5. Step 5: Solve for x
    x = 90,274,575.14/14,122.20
  6. Step 6: Final answer
    x = 6,392.39

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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.