Home / 11,144.83-15,379.77-6,109.33

Finding the Fourth Proportional to 11,144.83, 15,379.77 and 6,109.33

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Solution

The fourth proportional to 11,144.83, 15,379.77 and 6,109.33 is: 8,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.83 : 15,379.77 = 6,109.33 : x
  2. Step 2: Convert to fraction form
    11,144.83/15,379.77 = 6,109.33/x
  3. Step 3: Cross multiply
    11,144.83x = 15,379.77 × 6,109.33
  4. Step 4: Simplify right side
    11,144.83x = 93,960,090.25
  5. Step 5: Solve for x
    x = 93,960,090.25/11,144.83
  6. Step 6: Final answer
    x = 8,430.82

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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.