Home / 22,360.97-30,855.66-13,408.85

Finding the Fourth Proportional to 22,360.97, 30,855.66 and 13,408.85

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Solution

The fourth proportional to 22,360.97, 30,855.66 and 13,408.85 is: 18,502.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.97 : 30,855.66 = 13,408.85 : x
  2. Step 2: Convert to fraction form
    22,360.97/30,855.66 = 13,408.85/x
  3. Step 3: Cross multiply
    22,360.97x = 30,855.66 × 13,408.85
  4. Step 4: Simplify right side
    22,360.97x = 413,738,916.59
  5. Step 5: Solve for x
    x = 413,738,916.59/22,360.97
  6. Step 6: Final answer
    x = 18,502.73

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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.