Home / 9,189.60-13,777.92-3,996.96

Finding the Fourth Proportional to 9,189.60, 13,777.92 and 3,996.96

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Solution

The fourth proportional to 9,189.60, 13,777.92 and 3,996.96 is: 5,992.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.60 : 13,777.92 = 3,996.96 : x
  2. Step 2: Convert to fraction form
    9,189.60/13,777.92 = 3,996.96/x
  3. Step 3: Cross multiply
    9,189.60x = 13,777.92 × 3,996.96
  4. Step 4: Simplify right side
    9,189.60x = 55,069,795.12
  5. Step 5: Solve for x
    x = 55,069,795.12/9,189.60
  6. Step 6: Final answer
    x = 5,992.62

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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.