Home / 16,429.20-24,600.60-12,022.80

Finding the Fourth Proportional to 16,429.20, 24,600.60 and 12,022.80

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Solution

The fourth proportional to 16,429.20, 24,600.60 and 12,022.80 is: 18,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,429.20 : 24,600.60 = 12,022.80 : x
  2. Step 2: Convert to fraction form
    16,429.20/24,600.60 = 12,022.80/x
  3. Step 3: Cross multiply
    16,429.20x = 24,600.60 × 12,022.80
  4. Step 4: Simplify right side
    16,429.20x = 295,768,093.68
  5. Step 5: Solve for x
    x = 295,768,093.68/16,429.20
  6. Step 6: Final answer
    x = 18,002.59

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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.