Home / 8,151.32-12,227.04-1,995.32

Finding the Fourth Proportional to 8,151.32, 12,227.04 and 1,995.32

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Solution

The fourth proportional to 8,151.32, 12,227.04 and 1,995.32 is: 2,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.32 : 12,227.04 = 1,995.32 : x
  2. Step 2: Convert to fraction form
    8,151.32/12,227.04 = 1,995.32/x
  3. Step 3: Cross multiply
    8,151.32x = 12,227.04 × 1,995.32
  4. Step 4: Simplify right side
    8,151.32x = 24,396,857.45
  5. Step 5: Solve for x
    x = 24,396,857.45/8,151.32
  6. Step 6: Final answer
    x = 2,992.99

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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.