Home / 10,080.44-15,120.63-2,684.90

Finding the Fourth Proportional to 10,080.44, 15,120.63 and 2,684.90

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Solution

The fourth proportional to 10,080.44, 15,120.63 and 2,684.90 is: 4,027.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.44 : 15,120.63 = 2,684.90 : x
  2. Step 2: Convert to fraction form
    10,080.44/15,120.63 = 2,684.90/x
  3. Step 3: Cross multiply
    10,080.44x = 15,120.63 × 2,684.90
  4. Step 4: Simplify right side
    10,080.44x = 40,597,379.49
  5. Step 5: Solve for x
    x = 40,597,379.49/10,080.44
  6. Step 6: Final answer
    x = 4,027.34

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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.