Home / 11,386.06-17,082.42-3,991.12

Finding the Fourth Proportional to 11,386.06, 17,082.42 and 3,991.12

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Solution

The fourth proportional to 11,386.06, 17,082.42 and 3,991.12 is: 5,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.06 : 17,082.42 = 3,991.12 : x
  2. Step 2: Convert to fraction form
    11,386.06/17,082.42 = 3,991.12/x
  3. Step 3: Cross multiply
    11,386.06x = 17,082.42 × 3,991.12
  4. Step 4: Simplify right side
    11,386.06x = 68,177,988.11
  5. Step 5: Solve for x
    x = 68,177,988.11/11,386.06
  6. Step 6: Final answer
    x = 5,987.85

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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.