Home / 11,137.92-15,370.31-6,102.15

Finding the Fourth Proportional to 11,137.92, 15,370.31 and 6,102.15

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Solution

The fourth proportional to 11,137.92, 15,370.31 and 6,102.15 is: 8,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.92 : 15,370.31 = 6,102.15 : x
  2. Step 2: Convert to fraction form
    11,137.92/15,370.31 = 6,102.15/x
  3. Step 3: Cross multiply
    11,137.92x = 15,370.31 × 6,102.15
  4. Step 4: Simplify right side
    11,137.92x = 93,791,906.66
  5. Step 5: Solve for x
    x = 93,791,906.66/11,137.92
  6. Step 6: Final answer
    x = 8,420.95

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1.5x scale

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.