Home / 21,467.23-29,622.66-11,906.95

Finding the Fourth Proportional to 21,467.23, 29,622.66 and 11,906.95

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Solution

The fourth proportional to 21,467.23, 29,622.66 and 11,906.95 is: 16,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.23 : 29,622.66 = 11,906.95 : x
  2. Step 2: Convert to fraction form
    21,467.23/29,622.66 = 11,906.95/x
  3. Step 3: Cross multiply
    21,467.23x = 29,622.66 × 11,906.95
  4. Step 4: Simplify right side
    21,467.23x = 352,715,535.30
  5. Step 5: Solve for x
    x = 352,715,535.30/21,467.23
  6. Step 6: Final answer
    x = 16,430.42

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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.