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Finding the Fourth Proportional to 11,593.48, 17,390.22 and 2,828.38

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Solution

The fourth proportional to 11,593.48, 17,390.22 and 2,828.38 is: 4,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,593.48 : 17,390.22 = 2,828.38 : x
  2. Step 2: Convert to fraction form
    11,593.48/17,390.22 = 2,828.38/x
  3. Step 3: Cross multiply
    11,593.48x = 17,390.22 × 2,828.38
  4. Step 4: Simplify right side
    11,593.48x = 49,186,150.44
  5. Step 5: Solve for x
    x = 49,186,150.44/11,593.48
  6. Step 6: Final answer
    x = 4,242.57

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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.