Home / 11,137.86-15,370.26-6,169.86

Finding the Fourth Proportional to 11,137.86, 15,370.26 and 6,169.86

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Solution

The fourth proportional to 11,137.86, 15,370.26 and 6,169.86 is: 8,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.86 : 15,370.26 = 6,169.86 : x
  2. Step 2: Convert to fraction form
    11,137.86/15,370.26 = 6,169.86/x
  3. Step 3: Cross multiply
    11,137.86x = 15,370.26 × 6,169.86
  4. Step 4: Simplify right side
    11,137.86x = 94,832,352.36
  5. Step 5: Solve for x
    x = 94,832,352.36/11,137.86
  6. Step 6: Final answer
    x = 8,514.41

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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.