Home / 12,254.93-18,380.66-3,933.87

Finding the Fourth Proportional to 12,254.93, 18,380.66 and 3,933.87

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Solution

The fourth proportional to 12,254.93, 18,380.66 and 3,933.87 is: 5,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.93 : 18,380.66 = 3,933.87 : x
  2. Step 2: Convert to fraction form
    12,254.93/18,380.66 = 3,933.87/x
  3. Step 3: Cross multiply
    12,254.93x = 18,380.66 × 3,933.87
  4. Step 4: Simplify right side
    12,254.93x = 72,307,163.88
  5. Step 5: Solve for x
    x = 72,307,163.88/12,254.93
  6. Step 6: Final answer
    x = 5,900.25

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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.