Home / 22,850.85-34,284.05-12,321.89

Finding the Fourth Proportional to 22,850.85, 34,284.05 and 12,321.89

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Solution

The fourth proportional to 22,850.85, 34,284.05 and 12,321.89 is: 18,487.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,850.85 : 34,284.05 = 12,321.89 : x
  2. Step 2: Convert to fraction form
    22,850.85/34,284.05 = 12,321.89/x
  3. Step 3: Cross multiply
    22,850.85x = 34,284.05 × 12,321.89
  4. Step 4: Simplify right side
    22,850.85x = 422,444,292.85
  5. Step 5: Solve for x
    x = 422,444,292.85/22,850.85
  6. Step 6: Final answer
    x = 18,487.03

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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.