Home / 22,209.26-30,648.41-12,137.49

Finding the Fourth Proportional to 22,209.26, 30,648.41 and 12,137.49

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Solution

The fourth proportional to 22,209.26, 30,648.41 and 12,137.49 is: 16,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.26 : 30,648.41 = 12,137.49 : x
  2. Step 2: Convert to fraction form
    22,209.26/30,648.41 = 12,137.49/x
  3. Step 3: Cross multiply
    22,209.26x = 30,648.41 × 12,137.49
  4. Step 4: Simplify right side
    22,209.26x = 371,994,709.20
  5. Step 5: Solve for x
    x = 371,994,709.20/22,209.26
  6. Step 6: Final answer
    x = 16,749.54

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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.