Home / 13,718.27-20,576.94-5,815.70

Finding the Fourth Proportional to 13,718.27, 20,576.94 and 5,815.70

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Solution

The fourth proportional to 13,718.27, 20,576.94 and 5,815.70 is: 8,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.27 : 20,576.94 = 5,815.70 : x
  2. Step 2: Convert to fraction form
    13,718.27/20,576.94 = 5,815.70/x
  3. Step 3: Cross multiply
    13,718.27x = 20,576.94 × 5,815.70
  4. Step 4: Simplify right side
    13,718.27x = 119,669,299.23
  5. Step 5: Solve for x
    x = 119,669,299.23/13,718.27
  6. Step 6: Final answer
    x = 8,723.35

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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.