Home / 11,360-17,029.12-5,811.20

Finding the Fourth Proportional to 11,360, 17,029.12 and 5,811.20

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Solution

The fourth proportional to 11,360, 17,029.12 and 5,811.20 is: 8,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360 : 17,029.12 = 5,811.20 : x
  2. Step 2: Convert to fraction form
    11,360/17,029.12 = 5,811.20/x
  3. Step 3: Cross multiply
    11,360x = 17,029.12 × 5,811.20
  4. Step 4: Simplify right side
    11,360x = 98,959,622.14
  5. Step 5: Solve for x
    x = 98,959,622.14/11,360
  6. Step 6: Final answer
    x = 8,711.23

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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.