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Finding the Fourth Proportional to 11,187, 16,779.62 and 6,504.02

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Solution

The fourth proportional to 11,187, 16,779.62 and 6,504.02 is: 9,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187 : 16,779.62 = 6,504.02 : x
  2. Step 2: Convert to fraction form
    11,187/16,779.62 = 6,504.02/x
  3. Step 3: Cross multiply
    11,187x = 16,779.62 × 6,504.02
  4. Step 4: Simplify right side
    11,187x = 109,135,042.28
  5. Step 5: Solve for x
    x = 109,135,042.28/11,187
  6. Step 6: Final answer
    x = 9,755.52

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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.