Home / 12,245.40-18,366.24-3,924.54

Finding the Fourth Proportional to 12,245.40, 18,366.24 and 3,924.54

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Solution

The fourth proportional to 12,245.40, 18,366.24 and 3,924.54 is: 5,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.40 : 18,366.24 = 3,924.54 : x
  2. Step 2: Convert to fraction form
    12,245.40/18,366.24 = 3,924.54/x
  3. Step 3: Cross multiply
    12,245.40x = 18,366.24 × 3,924.54
  4. Step 4: Simplify right side
    12,245.40x = 72,079,043.53
  5. Step 5: Solve for x
    x = 72,079,043.53/12,245.40
  6. Step 6: Final answer
    x = 5,886.21

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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.