Home / 11,193.62-16,779.48-4,168.48

Finding the Fourth Proportional to 11,193.62, 16,779.48 and 4,168.48

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Solution

The fourth proportional to 11,193.62, 16,779.48 and 4,168.48 is: 6,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.62 : 16,779.48 = 4,168.48 : x
  2. Step 2: Convert to fraction form
    11,193.62/16,779.48 = 4,168.48/x
  3. Step 3: Cross multiply
    11,193.62x = 16,779.48 × 4,168.48
  4. Step 4: Simplify right side
    11,193.62x = 69,944,926.79
  5. Step 5: Solve for x
    x = 69,944,926.79/11,193.62
  6. Step 6: Final answer
    x = 6,248.64

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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.