Home / 11,841.05-17,761.88-5,603.98

Finding the Fourth Proportional to 11,841.05, 17,761.88 and 5,603.98

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Solution

The fourth proportional to 11,841.05, 17,761.88 and 5,603.98 is: 8,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.05 : 17,761.88 = 5,603.98 : x
  2. Step 2: Convert to fraction form
    11,841.05/17,761.88 = 5,603.98/x
  3. Step 3: Cross multiply
    11,841.05x = 17,761.88 × 5,603.98
  4. Step 4: Simplify right side
    11,841.05x = 99,537,192.26
  5. Step 5: Solve for x
    x = 99,537,192.26/11,841.05
  6. Step 6: Final answer
    x = 8,406.11

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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.