Home / 12,166.45-18,252.42-3,846.97

Finding the Fourth Proportional to 12,166.45, 18,252.42 and 3,846.97

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Solution

The fourth proportional to 12,166.45, 18,252.42 and 3,846.97 is: 5,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.45 : 18,252.42 = 3,846.97 : x
  2. Step 2: Convert to fraction form
    12,166.45/18,252.42 = 3,846.97/x
  3. Step 3: Cross multiply
    12,166.45x = 18,252.42 × 3,846.97
  4. Step 4: Simplify right side
    12,166.45x = 70,216,512.17
  5. Step 5: Solve for x
    x = 70,216,512.17/12,166.45
  6. Step 6: Final answer
    x = 5,771.32

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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.