Home / 20,964.60-31,452.21-6,174

Finding the Fourth Proportional to 20,964.60, 31,452.21 and 6,174

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Solution

The fourth proportional to 20,964.60, 31,452.21 and 6,174 is: 9,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964.60 : 31,452.21 = 6,174 : x
  2. Step 2: Convert to fraction form
    20,964.60/31,452.21 = 6,174/x
  3. Step 3: Cross multiply
    20,964.60x = 31,452.21 × 6,174
  4. Step 4: Simplify right side
    20,964.60x = 194,185,944.54
  5. Step 5: Solve for x
    x = 194,185,944.54/20,964.60
  6. Step 6: Final answer
    x = 9,262.56

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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.