Home / 21,093.24-29,107.98-11,660.52

Finding the Fourth Proportional to 21,093.24, 29,107.98 and 11,660.52

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Solution

The fourth proportional to 21,093.24, 29,107.98 and 11,660.52 is: 16,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093.24 : 29,107.98 = 11,660.52 : x
  2. Step 2: Convert to fraction form
    21,093.24/29,107.98 = 11,660.52/x
  3. Step 3: Cross multiply
    21,093.24x = 29,107.98 × 11,660.52
  4. Step 4: Simplify right side
    21,093.24x = 339,414,182.95
  5. Step 5: Solve for x
    x = 339,414,182.95/21,093.24
  6. Step 6: Final answer
    x = 16,091.14

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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.