Home / 11,281.24-16,917.69-3,883.66

Finding the Fourth Proportional to 11,281.24, 16,917.69 and 3,883.66

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Solution

The fourth proportional to 11,281.24, 16,917.69 and 3,883.66 is: 5,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.24 : 16,917.69 = 3,883.66 : x
  2. Step 2: Convert to fraction form
    11,281.24/16,917.69 = 3,883.66/x
  3. Step 3: Cross multiply
    11,281.24x = 16,917.69 × 3,883.66
  4. Step 4: Simplify right side
    11,281.24x = 65,702,555.95
  5. Step 5: Solve for x
    x = 65,702,555.95/11,281.24
  6. Step 6: Final answer
    x = 5,824.05

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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.