Home / 9,186.68-13,741.45-7,742.75

Finding the Fourth Proportional to 9,186.68, 13,741.45 and 7,742.75

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Solution

The fourth proportional to 9,186.68, 13,741.45 and 7,742.75 is: 11,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.68 : 13,741.45 = 7,742.75 : x
  2. Step 2: Convert to fraction form
    9,186.68/13,741.45 = 7,742.75/x
  3. Step 3: Cross multiply
    9,186.68x = 13,741.45 × 7,742.75
  4. Step 4: Simplify right side
    9,186.68x = 106,396,601.56
  5. Step 5: Solve for x
    x = 106,396,601.56/9,186.68
  6. Step 6: Final answer
    x = 11,581.61

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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.