Home / 12,029.62-18,037.68-8,285.80

Finding the Fourth Proportional to 12,029.62, 18,037.68 and 8,285.80

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Solution

The fourth proportional to 12,029.62, 18,037.68 and 8,285.80 is: 12,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.62 : 18,037.68 = 8,285.80 : x
  2. Step 2: Convert to fraction form
    12,029.62/18,037.68 = 8,285.80/x
  3. Step 3: Cross multiply
    12,029.62x = 18,037.68 × 8,285.80
  4. Step 4: Simplify right side
    12,029.62x = 149,456,608.94
  5. Step 5: Solve for x
    x = 149,456,608.94/12,029.62
  6. Step 6: Final answer
    x = 12,424.05

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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.