Home / 10,743.66-16,100.19-8,392.86

Finding the Fourth Proportional to 10,743.66, 16,100.19 and 8,392.86

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Solution

The fourth proportional to 10,743.66, 16,100.19 and 8,392.86 is: 12,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,743.66 : 16,100.19 = 8,392.86 : x
  2. Step 2: Convert to fraction form
    10,743.66/16,100.19 = 8,392.86/x
  3. Step 3: Cross multiply
    10,743.66x = 16,100.19 × 8,392.86
  4. Step 4: Simplify right side
    10,743.66x = 135,126,640.64
  5. Step 5: Solve for x
    x = 135,126,640.64/10,743.66
  6. Step 6: Final answer
    x = 12,577.34

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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.