Home / 21,082.38-29,093.40-11,651.10

Finding the Fourth Proportional to 21,082.38, 29,093.40 and 11,651.10

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Solution

The fourth proportional to 21,082.38, 29,093.40 and 11,651.10 is: 16,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,082.38 : 29,093.40 = 11,651.10 : x
  2. Step 2: Convert to fraction form
    21,082.38/29,093.40 = 11,651.10/x
  3. Step 3: Cross multiply
    21,082.38x = 29,093.40 × 11,651.10
  4. Step 4: Simplify right side
    21,082.38x = 338,970,112.74
  5. Step 5: Solve for x
    x = 338,970,112.74/21,082.38
  6. Step 6: Final answer
    x = 16,078.36

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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.