Home / 16,121.38-22,247.06-9,664.67

Finding the Fourth Proportional to 16,121.38, 22,247.06 and 9,664.67

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Solution

The fourth proportional to 16,121.38, 22,247.06 and 9,664.67 is: 13,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.38 : 22,247.06 = 9,664.67 : x
  2. Step 2: Convert to fraction form
    16,121.38/22,247.06 = 9,664.67/x
  3. Step 3: Cross multiply
    16,121.38x = 22,247.06 × 9,664.67
  4. Step 4: Simplify right side
    16,121.38x = 215,010,375.52
  5. Step 5: Solve for x
    x = 215,010,375.52/16,121.38
  6. Step 6: Final answer
    x = 13,336.97

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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.