Home / 11,520.32-17,276.16-5,360

Finding the Fourth Proportional to 11,520.32, 17,276.16 and 5,360

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Solution

The fourth proportional to 11,520.32, 17,276.16 and 5,360 is: 8,037.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.32 : 17,276.16 = 5,360 : x
  2. Step 2: Convert to fraction form
    11,520.32/17,276.16 = 5,360/x
  3. Step 3: Cross multiply
    11,520.32x = 17,276.16 × 5,360
  4. Step 4: Simplify right side
    11,520.32x = 92,600,217.60
  5. Step 5: Solve for x
    x = 92,600,217.60/11,520.32
  6. Step 6: Final answer
    x = 8,037.99

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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.