Home / 11,761.43-16,229.45-6,979.67

Finding the Fourth Proportional to 11,761.43, 16,229.45 and 6,979.67

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Solution

The fourth proportional to 11,761.43, 16,229.45 and 6,979.67 is: 9,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,761.43 : 16,229.45 = 6,979.67 : x
  2. Step 2: Convert to fraction form
    11,761.43/16,229.45 = 6,979.67/x
  3. Step 3: Cross multiply
    11,761.43x = 16,229.45 × 6,979.67
  4. Step 4: Simplify right side
    11,761.43x = 113,276,205.28
  5. Step 5: Solve for x
    x = 113,276,205.28/11,761.43
  6. Step 6: Final answer
    x = 9,631.16

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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.