Home / 20,199.58-30,313.22-7,051.96

Finding the Fourth Proportional to 20,199.58, 30,313.22 and 7,051.96

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Solution

The fourth proportional to 20,199.58, 30,313.22 and 7,051.96 is: 10,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.58 : 30,313.22 = 7,051.96 : x
  2. Step 2: Convert to fraction form
    20,199.58/30,313.22 = 7,051.96/x
  3. Step 3: Cross multiply
    20,199.58x = 30,313.22 × 7,051.96
  4. Step 4: Simplify right side
    20,199.58x = 213,767,614.91
  5. Step 5: Solve for x
    x = 213,767,614.91/20,199.58
  6. Step 6: Final answer
    x = 10,582.78

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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.