Home / 11,779.20-17,664.96-6,229.44

Finding the Fourth Proportional to 11,779.20, 17,664.96 and 6,229.44

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Solution

The fourth proportional to 11,779.20, 17,664.96 and 6,229.44 is: 9,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.20 : 17,664.96 = 6,229.44 : x
  2. Step 2: Convert to fraction form
    11,779.20/17,664.96 = 6,229.44/x
  3. Step 3: Cross multiply
    11,779.20x = 17,664.96 × 6,229.44
  4. Step 4: Simplify right side
    11,779.20x = 110,042,808.42
  5. Step 5: Solve for x
    x = 110,042,808.42/11,779.20
  6. Step 6: Final answer
    x = 9,342.13

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1.5x scale

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.