Home / 12,723.24-19,086.66-3,959.04

Finding the Fourth Proportional to 12,723.24, 19,086.66 and 3,959.04

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Solution

The fourth proportional to 12,723.24, 19,086.66 and 3,959.04 is: 5,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.24 : 19,086.66 = 3,959.04 : x
  2. Step 2: Convert to fraction form
    12,723.24/19,086.66 = 3,959.04/x
  3. Step 3: Cross multiply
    12,723.24x = 19,086.66 × 3,959.04
  4. Step 4: Simplify right side
    12,723.24x = 75,564,850.41
  5. Step 5: Solve for x
    x = 75,564,850.41/12,723.24
  6. Step 6: Final answer
    x = 5,939.12

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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.