Home / 11,345.68-17,020.28-3,553.75

Finding the Fourth Proportional to 11,345.68, 17,020.28 and 3,553.75

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Solution

The fourth proportional to 11,345.68, 17,020.28 and 3,553.75 is: 5,331.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.68 : 17,020.28 = 3,553.75 : x
  2. Step 2: Convert to fraction form
    11,345.68/17,020.28 = 3,553.75/x
  3. Step 3: Cross multiply
    11,345.68x = 17,020.28 × 3,553.75
  4. Step 4: Simplify right side
    11,345.68x = 60,485,820.05
  5. Step 5: Solve for x
    x = 60,485,820.05/11,345.68
  6. Step 6: Final answer
    x = 5,331.18

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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.