Home / 11,137.82-15,370.83-6,102.05

Finding the Fourth Proportional to 11,137.82, 15,370.83 and 6,102.05

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Solution

The fourth proportional to 11,137.82, 15,370.83 and 6,102.05 is: 8,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.82 : 15,370.83 = 6,102.05 : x
  2. Step 2: Convert to fraction form
    11,137.82/15,370.83 = 6,102.05/x
  3. Step 3: Cross multiply
    11,137.82x = 15,370.83 × 6,102.05
  4. Step 4: Simplify right side
    11,137.82x = 93,793,496.35
  5. Step 5: Solve for x
    x = 93,793,496.35/11,137.82
  6. Step 6: Final answer
    x = 8,421.18

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Why These Related Problems?

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