Home / 12,101.82-18,149.85-3,337.44

Finding the Fourth Proportional to 12,101.82, 18,149.85 and 3,337.44

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Solution

The fourth proportional to 12,101.82, 18,149.85 and 3,337.44 is: 5,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.82 : 18,149.85 = 3,337.44 : x
  2. Step 2: Convert to fraction form
    12,101.82/18,149.85 = 3,337.44/x
  3. Step 3: Cross multiply
    12,101.82x = 18,149.85 × 3,337.44
  4. Step 4: Simplify right side
    12,101.82x = 60,574,035.38
  5. Step 5: Solve for x
    x = 60,574,035.38/12,101.82
  6. Step 6: Final answer
    x = 5,005.37

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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.