Home / 12,723.92-19,087.92-3,960.86

Finding the Fourth Proportional to 12,723.92, 19,087.92 and 3,960.86

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Solution

The fourth proportional to 12,723.92, 19,087.92 and 3,960.86 is: 5,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.92 : 19,087.92 = 3,960.86 : x
  2. Step 2: Convert to fraction form
    12,723.92/19,087.92 = 3,960.86/x
  3. Step 3: Cross multiply
    12,723.92x = 19,087.92 × 3,960.86
  4. Step 4: Simplify right side
    12,723.92x = 75,604,578.81
  5. Step 5: Solve for x
    x = 75,604,578.81/12,723.92
  6. Step 6: Final answer
    x = 5,941.93

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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.