Home / 20,514.16-30,771.21-7,366.54

Finding the Fourth Proportional to 20,514.16, 30,771.21 and 7,366.54

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Solution

The fourth proportional to 20,514.16, 30,771.21 and 7,366.54 is: 11,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.16 : 30,771.21 = 7,366.54 : x
  2. Step 2: Convert to fraction form
    20,514.16/30,771.21 = 7,366.54/x
  3. Step 3: Cross multiply
    20,514.16x = 30,771.21 × 7,366.54
  4. Step 4: Simplify right side
    20,514.16x = 226,677,420.82
  5. Step 5: Solve for x
    x = 226,677,420.82/20,514.16
  6. Step 6: Final answer
    x = 11,049.80

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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.