Home / 14,155.85-21,234.25-3,767.61

Finding the Fourth Proportional to 14,155.85, 21,234.25 and 3,767.61

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Solution

The fourth proportional to 14,155.85, 21,234.25 and 3,767.61 is: 5,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.85 : 21,234.25 = 3,767.61 : x
  2. Step 2: Convert to fraction form
    14,155.85/21,234.25 = 3,767.61/x
  3. Step 3: Cross multiply
    14,155.85x = 21,234.25 × 3,767.61
  4. Step 4: Simplify right side
    14,155.85x = 80,002,266.47
  5. Step 5: Solve for x
    x = 80,002,266.47/14,155.85
  6. Step 6: Final answer
    x = 5,651.54

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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.