Home / 20,104.12-27,745.50-11,606.68

Finding the Fourth Proportional to 20,104.12, 27,745.50 and 11,606.68

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Solution

The fourth proportional to 20,104.12, 27,745.50 and 11,606.68 is: 16,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.12 : 27,745.50 = 11,606.68 : x
  2. Step 2: Convert to fraction form
    20,104.12/27,745.50 = 11,606.68/x
  3. Step 3: Cross multiply
    20,104.12x = 27,745.50 × 11,606.68
  4. Step 4: Simplify right side
    20,104.12x = 322,033,139.94
  5. Step 5: Solve for x
    x = 322,033,139.94/20,104.12
  6. Step 6: Final answer
    x = 16,018.27

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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.