Home / 8,149.14-12,223.71-4,252.64

Finding the Fourth Proportional to 8,149.14, 12,223.71 and 4,252.64

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Solution

The fourth proportional to 8,149.14, 12,223.71 and 4,252.64 is: 6,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.14 : 12,223.71 = 4,252.64 : x
  2. Step 2: Convert to fraction form
    8,149.14/12,223.71 = 4,252.64/x
  3. Step 3: Cross multiply
    8,149.14x = 12,223.71 × 4,252.64
  4. Step 4: Simplify right side
    8,149.14x = 51,983,038.09
  5. Step 5: Solve for x
    x = 51,983,038.09/8,149.14
  6. Step 6: Final answer
    x = 6,378.96

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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.