Home / 12,463.10-18,694.50-3,103.20

Finding the Fourth Proportional to 12,463.10, 18,694.50 and 3,103.20

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Solution

The fourth proportional to 12,463.10, 18,694.50 and 3,103.20 is: 4,654.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.10 : 18,694.50 = 3,103.20 : x
  2. Step 2: Convert to fraction form
    12,463.10/18,694.50 = 3,103.20/x
  3. Step 3: Cross multiply
    12,463.10x = 18,694.50 × 3,103.20
  4. Step 4: Simplify right side
    12,463.10x = 58,012,772.40
  5. Step 5: Solve for x
    x = 58,012,772.40/12,463.10
  6. Step 6: Final answer
    x = 4,654.76

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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.