Home / 12,277.71-18,418.25-3,954.96

Finding the Fourth Proportional to 12,277.71, 18,418.25 and 3,954.96

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Solution

The fourth proportional to 12,277.71, 18,418.25 and 3,954.96 is: 5,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.71 : 18,418.25 = 3,954.96 : x
  2. Step 2: Convert to fraction form
    12,277.71/18,418.25 = 3,954.96/x
  3. Step 3: Cross multiply
    12,277.71x = 18,418.25 × 3,954.96
  4. Step 4: Simplify right side
    12,277.71x = 72,843,442.02
  5. Step 5: Solve for x
    x = 72,843,442.02/12,277.71
  6. Step 6: Final answer
    x = 5,932.98

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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.