Home / 15,676.37-21,634.91-8,960.73

Finding the Fourth Proportional to 15,676.37, 21,634.91 and 8,960.73

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Solution

The fourth proportional to 15,676.37, 21,634.91 and 8,960.73 is: 12,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,676.37 : 21,634.91 = 8,960.73 : x
  2. Step 2: Convert to fraction form
    15,676.37/21,634.91 = 8,960.73/x
  3. Step 3: Cross multiply
    15,676.37x = 21,634.91 × 8,960.73
  4. Step 4: Simplify right side
    15,676.37x = 193,864,494.75
  5. Step 5: Solve for x
    x = 193,864,494.75/15,676.37
  6. Step 6: Final answer
    x = 12,366.67

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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.