Home / 11,751.83-16,218.26-6,446.66

Finding the Fourth Proportional to 11,751.83, 16,218.26 and 6,446.66

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Solution

The fourth proportional to 11,751.83, 16,218.26 and 6,446.66 is: 8,896.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.83 : 16,218.26 = 6,446.66 : x
  2. Step 2: Convert to fraction form
    11,751.83/16,218.26 = 6,446.66/x
  3. Step 3: Cross multiply
    11,751.83x = 16,218.26 × 6,446.66
  4. Step 4: Simplify right side
    11,751.83x = 104,553,518.86
  5. Step 5: Solve for x
    x = 104,553,518.86/11,751.83
  6. Step 6: Final answer
    x = 8,896.79

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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.