Home / 21,166.44-29,209.32-11,735.07

Finding the Fourth Proportional to 21,166.44, 29,209.32 and 11,735.07

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Solution

The fourth proportional to 21,166.44, 29,209.32 and 11,735.07 is: 16,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.44 : 29,209.32 = 11,735.07 : x
  2. Step 2: Convert to fraction form
    21,166.44/29,209.32 = 11,735.07/x
  3. Step 3: Cross multiply
    21,166.44x = 29,209.32 × 11,735.07
  4. Step 4: Simplify right side
    21,166.44x = 342,773,414.85
  5. Step 5: Solve for x
    x = 342,773,414.85/21,166.44
  6. Step 6: Final answer
    x = 16,194.19

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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.