Home / 12,203.96-18,311.18-3,884.66

Finding the Fourth Proportional to 12,203.96, 18,311.18 and 3,884.66

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Solution

The fourth proportional to 12,203.96, 18,311.18 and 3,884.66 is: 5,828.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.96 : 18,311.18 = 3,884.66 : x
  2. Step 2: Convert to fraction form
    12,203.96/18,311.18 = 3,884.66/x
  3. Step 3: Cross multiply
    12,203.96x = 18,311.18 × 3,884.66
  4. Step 4: Simplify right side
    12,203.96x = 71,132,708.50
  5. Step 5: Solve for x
    x = 71,132,708.50/12,203.96
  6. Step 6: Final answer
    x = 5,828.66

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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.