Home / 22,135.58-30,546.21-12,063.81

Finding the Fourth Proportional to 22,135.58, 30,546.21 and 12,063.81

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Solution

The fourth proportional to 22,135.58, 30,546.21 and 12,063.81 is: 16,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.58 : 30,546.21 = 12,063.81 : x
  2. Step 2: Convert to fraction form
    22,135.58/30,546.21 = 12,063.81/x
  3. Step 3: Cross multiply
    22,135.58x = 30,546.21 × 12,063.81
  4. Step 4: Simplify right side
    22,135.58x = 368,503,673.66
  5. Step 5: Solve for x
    x = 368,503,673.66/22,135.58
  6. Step 6: Final answer
    x = 16,647.58

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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.