Home / 20,536.32-30,808.29-6,499.89

Finding the Fourth Proportional to 20,536.32, 30,808.29 and 6,499.89

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Solution

The fourth proportional to 20,536.32, 30,808.29 and 6,499.89 is: 9,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.32 : 30,808.29 = 6,499.89 : x
  2. Step 2: Convert to fraction form
    20,536.32/30,808.29 = 6,499.89/x
  3. Step 3: Cross multiply
    20,536.32x = 30,808.29 × 6,499.89
  4. Step 4: Simplify right side
    20,536.32x = 200,250,496.09
  5. Step 5: Solve for x
    x = 200,250,496.09/20,536.32
  6. Step 6: Final answer
    x = 9,751.04

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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.