Home / 11,187.10-16,779.68-5,262.58

Finding the Fourth Proportional to 11,187.10, 16,779.68 and 5,262.58

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Solution

The fourth proportional to 11,187.10, 16,779.68 and 5,262.58 is: 7,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.10 : 16,779.68 = 5,262.58 : x
  2. Step 2: Convert to fraction form
    11,187.10/16,779.68 = 5,262.58/x
  3. Step 3: Cross multiply
    11,187.10x = 16,779.68 × 5,262.58
  4. Step 4: Simplify right side
    11,187.10x = 88,304,408.37
  5. Step 5: Solve for x
    x = 88,304,408.37/11,187.10
  6. Step 6: Final answer
    x = 7,893.41

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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.