Home / 10,576.60-15,863.70-2,786.02

Finding the Fourth Proportional to 10,576.60, 15,863.70 and 2,786.02

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Solution

The fourth proportional to 10,576.60, 15,863.70 and 2,786.02 is: 4,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.60 : 15,863.70 = 2,786.02 : x
  2. Step 2: Convert to fraction form
    10,576.60/15,863.70 = 2,786.02/x
  3. Step 3: Cross multiply
    10,576.60x = 15,863.70 × 2,786.02
  4. Step 4: Simplify right side
    10,576.60x = 44,196,585.47
  5. Step 5: Solve for x
    x = 44,196,585.47/10,576.60
  6. Step 6: Final answer
    x = 4,178.71

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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.