Home / 21,468.26-29,626.45-11,908.34

Finding the Fourth Proportional to 21,468.26, 29,626.45 and 11,908.34

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Solution

The fourth proportional to 21,468.26, 29,626.45 and 11,908.34 is: 16,433.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.26 : 29,626.45 = 11,908.34 : x
  2. Step 2: Convert to fraction form
    21,468.26/29,626.45 = 11,908.34/x
  3. Step 3: Cross multiply
    21,468.26x = 29,626.45 × 11,908.34
  4. Step 4: Simplify right side
    21,468.26x = 352,801,883.89
  5. Step 5: Solve for x
    x = 352,801,883.89/21,468.26
  6. Step 6: Final answer
    x = 16,433.65

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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.