Home / 20,034.89-27,647.64-11,082.18

Finding the Fourth Proportional to 20,034.89, 27,647.64 and 11,082.18

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Solution

The fourth proportional to 20,034.89, 27,647.64 and 11,082.18 is: 15,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.89 : 27,647.64 = 11,082.18 : x
  2. Step 2: Convert to fraction form
    20,034.89/27,647.64 = 11,082.18/x
  3. Step 3: Cross multiply
    20,034.89x = 27,647.64 × 11,082.18
  4. Step 4: Simplify right side
    20,034.89x = 306,396,123.06
  5. Step 5: Solve for x
    x = 306,396,123.06/20,034.89
  6. Step 6: Final answer
    x = 15,293.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.