Home / 11,516.68-17,275.38-3,196.78

Finding the Fourth Proportional to 11,516.68, 17,275.38 and 3,196.78

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Solution

The fourth proportional to 11,516.68, 17,275.38 and 3,196.78 is: 4,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.68 : 17,275.38 = 3,196.78 : x
  2. Step 2: Convert to fraction form
    11,516.68/17,275.38 = 3,196.78/x
  3. Step 3: Cross multiply
    11,516.68x = 17,275.38 × 3,196.78
  4. Step 4: Simplify right side
    11,516.68x = 55,225,589.28
  5. Step 5: Solve for x
    x = 55,225,589.28/11,516.68
  6. Step 6: Final answer
    x = 4,795.27

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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.