Home / 20,127.29-30,181.19-8,437.37

Finding the Fourth Proportional to 20,127.29, 30,181.19 and 8,437.37

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Solution

The fourth proportional to 20,127.29, 30,181.19 and 8,437.37 is: 12,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,127.29 : 30,181.19 = 8,437.37 : x
  2. Step 2: Convert to fraction form
    20,127.29/30,181.19 = 8,437.37/x
  3. Step 3: Cross multiply
    20,127.29x = 30,181.19 × 8,437.37
  4. Step 4: Simplify right side
    20,127.29x = 254,649,673.98
  5. Step 5: Solve for x
    x = 254,649,673.98/20,127.29
  6. Step 6: Final answer
    x = 12,651.96

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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.