Home / 12,463.40-18,694.99-4,144.05

Finding the Fourth Proportional to 12,463.40, 18,694.99 and 4,144.05

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Solution

The fourth proportional to 12,463.40, 18,694.99 and 4,144.05 is: 6,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.40 : 18,694.99 = 4,144.05 : x
  2. Step 2: Convert to fraction form
    12,463.40/18,694.99 = 4,144.05/x
  3. Step 3: Cross multiply
    12,463.40x = 18,694.99 × 4,144.05
  4. Step 4: Simplify right side
    12,463.40x = 77,472,978.49
  5. Step 5: Solve for x
    x = 77,472,978.49/12,463.40
  6. Step 6: Final answer
    x = 6,216.04

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Similar ratio
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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.