Home / 11,601.28-17,380-5,754.72

Finding the Fourth Proportional to 11,601.28, 17,380 and 5,754.72

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Solution

The fourth proportional to 11,601.28, 17,380 and 5,754.72 is: 8,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.28 : 17,380 = 5,754.72 : x
  2. Step 2: Convert to fraction form
    11,601.28/17,380 = 5,754.72/x
  3. Step 3: Cross multiply
    11,601.28x = 17,380 × 5,754.72
  4. Step 4: Simplify right side
    11,601.28x = 100,017,033.60
  5. Step 5: Solve for x
    x = 100,017,033.60/11,601.28
  6. Step 6: Final answer
    x = 8,621.21

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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.