Home / 12,241.19-18,361.55-3,921.24

Finding the Fourth Proportional to 12,241.19, 18,361.55 and 3,921.24

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Solution

The fourth proportional to 12,241.19, 18,361.55 and 3,921.24 is: 5,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241.19 : 18,361.55 = 3,921.24 : x
  2. Step 2: Convert to fraction form
    12,241.19/18,361.55 = 3,921.24/x
  3. Step 3: Cross multiply
    12,241.19x = 18,361.55 × 3,921.24
  4. Step 4: Simplify right side
    12,241.19x = 72,000,122.98
  5. Step 5: Solve for x
    x = 72,000,122.98/12,241.19
  6. Step 6: Final answer
    x = 5,881.79

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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.