Home / 11,137.11-15,369.29-6,101.79

Finding the Fourth Proportional to 11,137.11, 15,369.29 and 6,101.79

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Solution

The fourth proportional to 11,137.11, 15,369.29 and 6,101.79 is: 8,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.11 : 15,369.29 = 6,101.79 : x
  2. Step 2: Convert to fraction form
    11,137.11/15,369.29 = 6,101.79/x
  3. Step 3: Cross multiply
    11,137.11x = 15,369.29 × 6,101.79
  4. Step 4: Simplify right side
    11,137.11x = 93,780,149.52
  5. Step 5: Solve for x
    x = 93,780,149.52/11,137.11
  6. Step 6: Final answer
    x = 8,420.51

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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.