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Finding the Fourth Proportional to 11,361.67, 17,042.25 and 3,041.68

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Solution

The fourth proportional to 11,361.67, 17,042.25 and 3,041.68 is: 4,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.67 : 17,042.25 = 3,041.68 : x
  2. Step 2: Convert to fraction form
    11,361.67/17,042.25 = 3,041.68/x
  3. Step 3: Cross multiply
    11,361.67x = 17,042.25 × 3,041.68
  4. Step 4: Simplify right side
    11,361.67x = 51,837,070.98
  5. Step 5: Solve for x
    x = 51,837,070.98/11,361.67
  6. Step 6: Final answer
    x = 4,562.45

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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.