Home / 11,280.80-16,917.06-3,883.16

Finding the Fourth Proportional to 11,280.80, 16,917.06 and 3,883.16

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Solution

The fourth proportional to 11,280.80, 16,917.06 and 3,883.16 is: 5,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.80 : 16,917.06 = 3,883.16 : x
  2. Step 2: Convert to fraction form
    11,280.80/16,917.06 = 3,883.16/x
  3. Step 3: Cross multiply
    11,280.80x = 16,917.06 × 3,883.16
  4. Step 4: Simplify right side
    11,280.80x = 65,691,650.71
  5. Step 5: Solve for x
    x = 65,691,650.71/11,280.80
  6. Step 6: Final answer
    x = 5,823.31

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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.