Home / 12,240.54-18,361.50-3,474.75

Finding the Fourth Proportional to 12,240.54, 18,361.50 and 3,474.75

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Solution

The fourth proportional to 12,240.54, 18,361.50 and 3,474.75 is: 5,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.54 : 18,361.50 = 3,474.75 : x
  2. Step 2: Convert to fraction form
    12,240.54/18,361.50 = 3,474.75/x
  3. Step 3: Cross multiply
    12,240.54x = 18,361.50 × 3,474.75
  4. Step 4: Simplify right side
    12,240.54x = 63,801,622.13
  5. Step 5: Solve for x
    x = 63,801,622.13/12,240.54
  6. Step 6: Final answer
    x = 5,212.32

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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.