Home / 11,431.68-17,141.26-3,532.06

Finding the Fourth Proportional to 11,431.68, 17,141.26 and 3,532.06

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Solution

The fourth proportional to 11,431.68, 17,141.26 and 3,532.06 is: 5,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.68 : 17,141.26 = 3,532.06 : x
  2. Step 2: Convert to fraction form
    11,431.68/17,141.26 = 3,532.06/x
  3. Step 3: Cross multiply
    11,431.68x = 17,141.26 × 3,532.06
  4. Step 4: Simplify right side
    11,431.68x = 60,543,876.63
  5. Step 5: Solve for x
    x = 60,543,876.63/11,431.68
  6. Step 6: Final answer
    x = 5,296.15

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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.