Home / 12,282.58-18,426.16-3,961.73

Finding the Fourth Proportional to 12,282.58, 18,426.16 and 3,961.73

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Solution

The fourth proportional to 12,282.58, 18,426.16 and 3,961.73 is: 5,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.58 : 18,426.16 = 3,961.73 : x
  2. Step 2: Convert to fraction form
    12,282.58/18,426.16 = 3,961.73/x
  3. Step 3: Cross multiply
    12,282.58x = 18,426.16 × 3,961.73
  4. Step 4: Simplify right side
    12,282.58x = 72,999,407.08
  5. Step 5: Solve for x
    x = 72,999,407.08/12,282.58
  6. Step 6: Final answer
    x = 5,943.33

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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.