Home / 20,514.24-30,769.83-6,474.75

Finding the Fourth Proportional to 20,514.24, 30,769.83 and 6,474.75

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Solution

The fourth proportional to 20,514.24, 30,769.83 and 6,474.75 is: 9,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.24 : 30,769.83 = 6,474.75 : x
  2. Step 2: Convert to fraction form
    20,514.24/30,769.83 = 6,474.75/x
  3. Step 3: Cross multiply
    20,514.24x = 30,769.83 × 6,474.75
  4. Step 4: Simplify right side
    20,514.24x = 199,226,956.79
  5. Step 5: Solve for x
    x = 199,226,956.79/20,514.24
  6. Step 6: Final answer
    x = 9,711.64

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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.