Home / 12,098.32-18,149.32-3,776.54

Finding the Fourth Proportional to 12,098.32, 18,149.32 and 3,776.54

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Solution

The fourth proportional to 12,098.32, 18,149.32 and 3,776.54 is: 5,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.32 : 18,149.32 = 3,776.54 : x
  2. Step 2: Convert to fraction form
    12,098.32/18,149.32 = 3,776.54/x
  3. Step 3: Cross multiply
    12,098.32x = 18,149.32 × 3,776.54
  4. Step 4: Simplify right side
    12,098.32x = 68,541,632.95
  5. Step 5: Solve for x
    x = 68,541,632.95/12,098.32
  6. Step 6: Final answer
    x = 5,665.38

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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.