Home / 12,734.20-19,103.10-3,968.20

Finding the Fourth Proportional to 12,734.20, 19,103.10 and 3,968.20

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Solution

The fourth proportional to 12,734.20, 19,103.10 and 3,968.20 is: 5,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.20 : 19,103.10 = 3,968.20 : x
  2. Step 2: Convert to fraction form
    12,734.20/19,103.10 = 3,968.20/x
  3. Step 3: Cross multiply
    12,734.20x = 19,103.10 × 3,968.20
  4. Step 4: Simplify right side
    12,734.20x = 75,804,921.42
  5. Step 5: Solve for x
    x = 75,804,921.42/12,734.20
  6. Step 6: Final answer
    x = 5,952.86

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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.