Home / 12,029.35-18,043.45-3,144.68

Finding the Fourth Proportional to 12,029.35, 18,043.45 and 3,144.68

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Solution

The fourth proportional to 12,029.35, 18,043.45 and 3,144.68 is: 4,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.35 : 18,043.45 = 3,144.68 : x
  2. Step 2: Convert to fraction form
    12,029.35/18,043.45 = 3,144.68/x
  3. Step 3: Cross multiply
    12,029.35x = 18,043.45 × 3,144.68
  4. Step 4: Simplify right side
    12,029.35x = 56,740,876.35
  5. Step 5: Solve for x
    x = 56,740,876.35/12,029.35
  6. Step 6: Final answer
    x = 4,716.87

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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.