Home / 8,423.52-12,635.22-2,183.55

Finding the Fourth Proportional to 8,423.52, 12,635.22 and 2,183.55

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Solution

The fourth proportional to 8,423.52, 12,635.22 and 2,183.55 is: 3,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.52 : 12,635.22 = 2,183.55 : x
  2. Step 2: Convert to fraction form
    8,423.52/12,635.22 = 2,183.55/x
  3. Step 3: Cross multiply
    8,423.52x = 12,635.22 × 2,183.55
  4. Step 4: Simplify right side
    8,423.52x = 27,589,634.63
  5. Step 5: Solve for x
    x = 27,589,634.63/8,423.52
  6. Step 6: Final answer
    x = 3,275.31

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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.