Home / 10,900.44-15,042.24-6,120.36

Finding the Fourth Proportional to 10,900.44, 15,042.24 and 6,120.36

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Solution

The fourth proportional to 10,900.44, 15,042.24 and 6,120.36 is: 8,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.44 : 15,042.24 = 6,120.36 : x
  2. Step 2: Convert to fraction form
    10,900.44/15,042.24 = 6,120.36/x
  3. Step 3: Cross multiply
    10,900.44x = 15,042.24 × 6,120.36
  4. Step 4: Simplify right side
    10,900.44x = 92,063,924.01
  5. Step 5: Solve for x
    x = 92,063,924.01/10,900.44
  6. Step 6: Final answer
    x = 8,445.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.