Home / 11,516.70-17,275.05-3,198.81

Finding the Fourth Proportional to 11,516.70, 17,275.05 and 3,198.81

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Solution

The fourth proportional to 11,516.70, 17,275.05 and 3,198.81 is: 4,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,516.70 : 17,275.05 = 3,198.81 : x
  2. Step 2: Convert to fraction form
    11,516.70/17,275.05 = 3,198.81/x
  3. Step 3: Cross multiply
    11,516.70x = 17,275.05 × 3,198.81
  4. Step 4: Simplify right side
    11,516.70x = 55,259,602.69
  5. Step 5: Solve for x
    x = 55,259,602.69/11,516.70
  6. Step 6: Final answer
    x = 4,798.22

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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.