Home / 20,322.09-30,475.27-6,992.56

Finding the Fourth Proportional to 20,322.09, 30,475.27 and 6,992.56

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Solution

The fourth proportional to 20,322.09, 30,475.27 and 6,992.56 is: 10,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.09 : 30,475.27 = 6,992.56 : x
  2. Step 2: Convert to fraction form
    20,322.09/30,475.27 = 6,992.56/x
  3. Step 3: Cross multiply
    20,322.09x = 30,475.27 × 6,992.56
  4. Step 4: Simplify right side
    20,322.09x = 213,100,200.83
  5. Step 5: Solve for x
    x = 213,100,200.83/20,322.09
  6. Step 6: Final answer
    x = 10,486.14

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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.