Home / 12,167.45-18,252.98-3,845.58

Finding the Fourth Proportional to 12,167.45, 18,252.98 and 3,845.58

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Solution

The fourth proportional to 12,167.45, 18,252.98 and 3,845.58 is: 5,768.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.45 : 18,252.98 = 3,845.58 : x
  2. Step 2: Convert to fraction form
    12,167.45/18,252.98 = 3,845.58/x
  3. Step 3: Cross multiply
    12,167.45x = 18,252.98 × 3,845.58
  4. Step 4: Simplify right side
    12,167.45x = 70,193,324.25
  5. Step 5: Solve for x
    x = 70,193,324.25/12,167.45
  6. Step 6: Final answer
    x = 5,768.94

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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.