Home / 11,717.88-17,579.24-4,792.38

Finding the Fourth Proportional to 11,717.88, 17,579.24 and 4,792.38

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Solution

The fourth proportional to 11,717.88, 17,579.24 and 4,792.38 is: 7,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.88 : 17,579.24 = 4,792.38 : x
  2. Step 2: Convert to fraction form
    11,717.88/17,579.24 = 4,792.38/x
  3. Step 3: Cross multiply
    11,717.88x = 17,579.24 × 4,792.38
  4. Step 4: Simplify right side
    11,717.88x = 84,246,398.19
  5. Step 5: Solve for x
    x = 84,246,398.19/11,717.88
  6. Step 6: Final answer
    x = 7,189.56

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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.