Home / 12,490.92-18,727.74-5,467.56

Finding the Fourth Proportional to 12,490.92, 18,727.74 and 5,467.56

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Solution

The fourth proportional to 12,490.92, 18,727.74 and 5,467.56 is: 8,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.92 : 18,727.74 = 5,467.56 : x
  2. Step 2: Convert to fraction form
    12,490.92/18,727.74 = 5,467.56/x
  3. Step 3: Cross multiply
    12,490.92x = 18,727.74 × 5,467.56
  4. Step 4: Simplify right side
    12,490.92x = 102,395,042.11
  5. Step 5: Solve for x
    x = 102,395,042.11/12,490.92
  6. Step 6: Final answer
    x = 8,197.56

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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.