Home / 12,252.44-18,381.74-3,933.20

Finding the Fourth Proportional to 12,252.44, 18,381.74 and 3,933.20

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Solution

The fourth proportional to 12,252.44, 18,381.74 and 3,933.20 is: 5,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.44 : 18,381.74 = 3,933.20 : x
  2. Step 2: Convert to fraction form
    12,252.44/18,381.74 = 3,933.20/x
  3. Step 3: Cross multiply
    12,252.44x = 18,381.74 × 3,933.20
  4. Step 4: Simplify right side
    12,252.44x = 72,299,059.77
  5. Step 5: Solve for x
    x = 72,299,059.77/12,252.44
  6. Step 6: Final answer
    x = 5,900.79

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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.