Home / 20,793.14-31,188.90-6,752.60

Finding the Fourth Proportional to 20,793.14, 31,188.90 and 6,752.60

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Solution

The fourth proportional to 20,793.14, 31,188.90 and 6,752.60 is: 10,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.14 : 31,188.90 = 6,752.60 : x
  2. Step 2: Convert to fraction form
    20,793.14/31,188.90 = 6,752.60/x
  3. Step 3: Cross multiply
    20,793.14x = 31,188.90 × 6,752.60
  4. Step 4: Simplify right side
    20,793.14x = 210,606,166.14
  5. Step 5: Solve for x
    x = 210,606,166.14/20,793.14
  6. Step 6: Final answer
    x = 10,128.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.