Home / 11,236.30-16,854.43-3,840.82

Finding the Fourth Proportional to 11,236.30, 16,854.43 and 3,840.82

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Solution

The fourth proportional to 11,236.30, 16,854.43 and 3,840.82 is: 5,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.30 : 16,854.43 = 3,840.82 : x
  2. Step 2: Convert to fraction form
    11,236.30/16,854.43 = 3,840.82/x
  3. Step 3: Cross multiply
    11,236.30x = 16,854.43 × 3,840.82
  4. Step 4: Simplify right side
    11,236.30x = 64,734,831.83
  5. Step 5: Solve for x
    x = 64,734,831.83/11,236.30
  6. Step 6: Final answer
    x = 5,761.22

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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.