Home / 12,261.36-18,392.49-3,941.24

Finding the Fourth Proportional to 12,261.36, 18,392.49 and 3,941.24

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Solution

The fourth proportional to 12,261.36, 18,392.49 and 3,941.24 is: 5,912.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.36 : 18,392.49 = 3,941.24 : x
  2. Step 2: Convert to fraction form
    12,261.36/18,392.49 = 3,941.24/x
  3. Step 3: Cross multiply
    12,261.36x = 18,392.49 × 3,941.24
  4. Step 4: Simplify right side
    12,261.36x = 72,489,125.33
  5. Step 5: Solve for x
    x = 72,489,125.33/12,261.36
  6. Step 6: Final answer
    x = 5,912.00

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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.