Home / 14,183.22-21,276.24-5,425.50

Finding the Fourth Proportional to 14,183.22, 21,276.24 and 5,425.50

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Solution

The fourth proportional to 14,183.22, 21,276.24 and 5,425.50 is: 8,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.22 : 21,276.24 = 5,425.50 : x
  2. Step 2: Convert to fraction form
    14,183.22/21,276.24 = 5,425.50/x
  3. Step 3: Cross multiply
    14,183.22x = 21,276.24 × 5,425.50
  4. Step 4: Simplify right side
    14,183.22x = 115,434,240.12
  5. Step 5: Solve for x
    x = 115,434,240.12/14,183.22
  6. Step 6: Final answer
    x = 8,138.79

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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.