Home / 11,719.92-17,585.28-5,880.72

Finding the Fourth Proportional to 11,719.92, 17,585.28 and 5,880.72

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Solution

The fourth proportional to 11,719.92, 17,585.28 and 5,880.72 is: 8,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.92 : 17,585.28 = 5,880.72 : x
  2. Step 2: Convert to fraction form
    11,719.92/17,585.28 = 5,880.72/x
  3. Step 3: Cross multiply
    11,719.92x = 17,585.28 × 5,880.72
  4. Step 4: Simplify right side
    11,719.92x = 103,414,107.80
  5. Step 5: Solve for x
    x = 103,414,107.80/11,719.92
  6. Step 6: Final answer
    x = 8,823.79

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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.