Home / 11,751.73-16,217.29-6,446.45

Finding the Fourth Proportional to 11,751.73, 16,217.29 and 6,446.45

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Solution

The fourth proportional to 11,751.73, 16,217.29 and 6,446.45 is: 8,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.73 : 16,217.29 = 6,446.45 : x
  2. Step 2: Convert to fraction form
    11,751.73/16,217.29 = 6,446.45/x
  3. Step 3: Cross multiply
    11,751.73x = 16,217.29 × 6,446.45
  4. Step 4: Simplify right side
    11,751.73x = 104,543,949.12
  5. Step 5: Solve for x
    x = 104,543,949.12/11,751.73
  6. Step 6: Final answer
    x = 8,896.05

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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.