Home / 9,119.82-13,681.92-3,195.84

Finding the Fourth Proportional to 9,119.82, 13,681.92 and 3,195.84

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Solution

The fourth proportional to 9,119.82, 13,681.92 and 3,195.84 is: 4,794.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.82 : 13,681.92 = 3,195.84 : x
  2. Step 2: Convert to fraction form
    9,119.82/13,681.92 = 3,195.84/x
  3. Step 3: Cross multiply
    9,119.82x = 13,681.92 × 3,195.84
  4. Step 4: Simplify right side
    9,119.82x = 43,725,227.21
  5. Step 5: Solve for x
    x = 43,725,227.21/9,119.82
  6. Step 6: Final answer
    x = 4,794.53

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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.