Home / 13,719.94-20,578.26-5,823.61

Finding the Fourth Proportional to 13,719.94, 20,578.26 and 5,823.61

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Solution

The fourth proportional to 13,719.94, 20,578.26 and 5,823.61 is: 8,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.94 : 20,578.26 = 5,823.61 : x
  2. Step 2: Convert to fraction form
    13,719.94/20,578.26 = 5,823.61/x
  3. Step 3: Cross multiply
    13,719.94x = 20,578.26 × 5,823.61
  4. Step 4: Simplify right side
    13,719.94x = 119,839,760.72
  5. Step 5: Solve for x
    x = 119,839,760.72/13,719.94
  6. Step 6: Final answer
    x = 8,734.71

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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.