Home / 11,414.34-17,121.53-3,623.16

Finding the Fourth Proportional to 11,414.34, 17,121.53 and 3,623.16

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Solution

The fourth proportional to 11,414.34, 17,121.53 and 3,623.16 is: 5,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,414.34 : 17,121.53 = 3,623.16 : x
  2. Step 2: Convert to fraction form
    11,414.34/17,121.53 = 3,623.16/x
  3. Step 3: Cross multiply
    11,414.34x = 17,121.53 × 3,623.16
  4. Step 4: Simplify right side
    11,414.34x = 62,034,024.52
  5. Step 5: Solve for x
    x = 62,034,024.52/11,414.34
  6. Step 6: Final answer
    x = 5,434.74

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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.