Home / 20,197.25-27,874.37-11,820.77

Finding the Fourth Proportional to 20,197.25, 27,874.37 and 11,820.77

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Solution

The fourth proportional to 20,197.25, 27,874.37 and 11,820.77 is: 16,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.25 : 27,874.37 = 11,820.77 : x
  2. Step 2: Convert to fraction form
    20,197.25/27,874.37 = 11,820.77/x
  3. Step 3: Cross multiply
    20,197.25x = 27,874.37 × 11,820.77
  4. Step 4: Simplify right side
    20,197.25x = 329,496,457.56
  5. Step 5: Solve for x
    x = 329,496,457.56/20,197.25
  6. Step 6: Final answer
    x = 16,313.93

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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.