Home / 20,093.20-30,135.67-7,608.91

Finding the Fourth Proportional to 20,093.20, 30,135.67 and 7,608.91

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Solution

The fourth proportional to 20,093.20, 30,135.67 and 7,608.91 is: 11,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.20 : 30,135.67 = 7,608.91 : x
  2. Step 2: Convert to fraction form
    20,093.20/30,135.67 = 7,608.91/x
  3. Step 3: Cross multiply
    20,093.20x = 30,135.67 × 7,608.91
  4. Step 4: Simplify right side
    20,093.20x = 229,299,600.82
  5. Step 5: Solve for x
    x = 229,299,600.82/20,093.20
  6. Step 6: Final answer
    x = 11,411.80

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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.