Home / 11,181.41-16,779.87-4,167.83

Finding the Fourth Proportional to 11,181.41, 16,779.87 and 4,167.83

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Solution

The fourth proportional to 11,181.41, 16,779.87 and 4,167.83 is: 6,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.41 : 16,779.87 = 4,167.83 : x
  2. Step 2: Convert to fraction form
    11,181.41/16,779.87 = 4,167.83/x
  3. Step 3: Cross multiply
    11,181.41x = 16,779.87 × 4,167.83
  4. Step 4: Simplify right side
    11,181.41x = 69,935,645.58
  5. Step 5: Solve for x
    x = 69,935,645.58/11,181.41
  6. Step 6: Final answer
    x = 6,254.64

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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.