Home / 20,514.50-30,771.75-6,475.94

Finding the Fourth Proportional to 20,514.50, 30,771.75 and 6,475.94

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Solution

The fourth proportional to 20,514.50, 30,771.75 and 6,475.94 is: 9,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.50 : 30,771.75 = 6,475.94 : x
  2. Step 2: Convert to fraction form
    20,514.50/30,771.75 = 6,475.94/x
  3. Step 3: Cross multiply
    20,514.50x = 30,771.75 × 6,475.94
  4. Step 4: Simplify right side
    20,514.50x = 199,276,006.70
  5. Step 5: Solve for x
    x = 199,276,006.70/20,514.50
  6. Step 6: Final answer
    x = 9,713.91

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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.