Home / 11,186.40-16,779.96-4,608.12

Finding the Fourth Proportional to 11,186.40, 16,779.96 and 4,608.12

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Solution

The fourth proportional to 11,186.40, 16,779.96 and 4,608.12 is: 6,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.40 : 16,779.96 = 4,608.12 : x
  2. Step 2: Convert to fraction form
    11,186.40/16,779.96 = 4,608.12/x
  3. Step 3: Cross multiply
    11,186.40x = 16,779.96 × 4,608.12
  4. Step 4: Simplify right side
    11,186.40x = 77,324,069.28
  5. Step 5: Solve for x
    x = 77,324,069.28/11,186.40
  6. Step 6: Final answer
    x = 6,912.33

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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.