Home / 20,514.30-30,771.46-6,663.30

Finding the Fourth Proportional to 20,514.30, 30,771.46 and 6,663.30

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Solution

The fourth proportional to 20,514.30, 30,771.46 and 6,663.30 is: 9,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.30 : 30,771.46 = 6,663.30 : x
  2. Step 2: Convert to fraction form
    20,514.30/30,771.46 = 6,663.30/x
  3. Step 3: Cross multiply
    20,514.30x = 30,771.46 × 6,663.30
  4. Step 4: Simplify right side
    20,514.30x = 205,039,469.42
  5. Step 5: Solve for x
    x = 205,039,469.42/20,514.30
  6. Step 6: Final answer
    x = 9,994.95

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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.