Home / 22,408.44-30,922.47-12,334.91

Finding the Fourth Proportional to 22,408.44, 30,922.47 and 12,334.91

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Solution

The fourth proportional to 22,408.44, 30,922.47 and 12,334.91 is: 17,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,408.44 : 30,922.47 = 12,334.91 : x
  2. Step 2: Convert to fraction form
    22,408.44/30,922.47 = 12,334.91/x
  3. Step 3: Cross multiply
    22,408.44x = 30,922.47 × 12,334.91
  4. Step 4: Simplify right side
    22,408.44x = 381,425,992.57
  5. Step 5: Solve for x
    x = 381,425,992.57/22,408.44
  6. Step 6: Final answer
    x = 17,021.53

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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.