Home / 22,286.60-33,386.70-12,408.20

Finding the Fourth Proportional to 22,286.60, 33,386.70 and 12,408.20

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Solution

The fourth proportional to 22,286.60, 33,386.70 and 12,408.20 is: 18,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.60 : 33,386.70 = 12,408.20 : x
  2. Step 2: Convert to fraction form
    22,286.60/33,386.70 = 12,408.20/x
  3. Step 3: Cross multiply
    22,286.60x = 33,386.70 × 12,408.20
  4. Step 4: Simplify right side
    22,286.60x = 414,268,850.94
  5. Step 5: Solve for x
    x = 414,268,850.94/22,286.60
  6. Step 6: Final answer
    x = 18,588.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.