Home / 11,719.92-17,579.84-2,954.81

Finding the Fourth Proportional to 11,719.92, 17,579.84 and 2,954.81

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Solution

The fourth proportional to 11,719.92, 17,579.84 and 2,954.81 is: 4,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.92 : 17,579.84 = 2,954.81 : x
  2. Step 2: Convert to fraction form
    11,719.92/17,579.84 = 2,954.81/x
  3. Step 3: Cross multiply
    11,719.92x = 17,579.84 × 2,954.81
  4. Step 4: Simplify right side
    11,719.92x = 51,945,116.21
  5. Step 5: Solve for x
    x = 51,945,116.21/11,719.92
  6. Step 6: Final answer
    x = 4,432.21

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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.