Home / 20,513.22-30,771.33-7,365.70

Finding the Fourth Proportional to 20,513.22, 30,771.33 and 7,365.70

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Solution

The fourth proportional to 20,513.22, 30,771.33 and 7,365.70 is: 11,049.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,513.22 : 30,771.33 = 7,365.70 : x
  2. Step 2: Convert to fraction form
    20,513.22/30,771.33 = 7,365.70/x
  3. Step 3: Cross multiply
    20,513.22x = 30,771.33 × 7,365.70
  4. Step 4: Simplify right side
    20,513.22x = 226,652,385.38
  5. Step 5: Solve for x
    x = 226,652,385.38/20,513.22
  6. Step 6: Final answer
    x = 11,049.09

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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.