Home / 11,851.14-17,761.32-4,822.96

Finding the Fourth Proportional to 11,851.14, 17,761.32 and 4,822.96

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Solution

The fourth proportional to 11,851.14, 17,761.32 and 4,822.96 is: 7,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.14 : 17,761.32 = 4,822.96 : x
  2. Step 2: Convert to fraction form
    11,851.14/17,761.32 = 4,822.96/x
  3. Step 3: Cross multiply
    11,851.14x = 17,761.32 × 4,822.96
  4. Step 4: Simplify right side
    11,851.14x = 85,662,135.91
  5. Step 5: Solve for x
    x = 85,662,135.91/11,851.14
  6. Step 6: Final answer
    x = 7,228.18

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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.