Home / 11,741.76-16,203-6,436.80

Finding the Fourth Proportional to 11,741.76, 16,203 and 6,436.80

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Solution

The fourth proportional to 11,741.76, 16,203 and 6,436.80 is: 8,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.76 : 16,203 = 6,436.80 : x
  2. Step 2: Convert to fraction form
    11,741.76/16,203 = 6,436.80/x
  3. Step 3: Cross multiply
    11,741.76x = 16,203 × 6,436.80
  4. Step 4: Simplify right side
    11,741.76x = 104,295,470.40
  5. Step 5: Solve for x
    x = 104,295,470.40/11,741.76
  6. Step 6: Final answer
    x = 8,882.44

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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.