Home / 12,216.92-18,323.78-5,195.63

Finding the Fourth Proportional to 12,216.92, 18,323.78 and 5,195.63

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Solution

The fourth proportional to 12,216.92, 18,323.78 and 5,195.63 is: 7,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.92 : 18,323.78 = 5,195.63 : x
  2. Step 2: Convert to fraction form
    12,216.92/18,323.78 = 5,195.63/x
  3. Step 3: Cross multiply
    12,216.92x = 18,323.78 × 5,195.63
  4. Step 4: Simplify right side
    12,216.92x = 95,203,600.91
  5. Step 5: Solve for x
    x = 95,203,600.91/12,216.92
  6. Step 6: Final answer
    x = 7,792.77

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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.