Home / 12,861.48-19,324.52-8,183.53

Finding the Fourth Proportional to 12,861.48, 19,324.52 and 8,183.53

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Solution

The fourth proportional to 12,861.48, 19,324.52 and 8,183.53 is: 12,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.48 : 19,324.52 = 8,183.53 : x
  2. Step 2: Convert to fraction form
    12,861.48/19,324.52 = 8,183.53/x
  3. Step 3: Cross multiply
    12,861.48x = 19,324.52 × 8,183.53
  4. Step 4: Simplify right side
    12,861.48x = 158,142,651.62
  5. Step 5: Solve for x
    x = 158,142,651.62/12,861.48
  6. Step 6: Final answer
    x = 12,295.84

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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.