Home / 20,514.43-30,776.84-5,723.34

Finding the Fourth Proportional to 20,514.43, 30,776.84 and 5,723.34

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Solution

The fourth proportional to 20,514.43, 30,776.84 and 5,723.34 is: 8,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514.43 : 30,776.84 = 5,723.34 : x
  2. Step 2: Convert to fraction form
    20,514.43/30,776.84 = 5,723.34/x
  3. Step 3: Cross multiply
    20,514.43x = 30,776.84 × 5,723.34
  4. Step 4: Simplify right side
    20,514.43x = 176,146,393.49
  5. Step 5: Solve for x
    x = 176,146,393.49/20,514.43
  6. Step 6: Final answer
    x = 8,586.46

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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.