Home / 21,626.07-29,843.98-12,194.63

Finding the Fourth Proportional to 21,626.07, 29,843.98 and 12,194.63

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Solution

The fourth proportional to 21,626.07, 29,843.98 and 12,194.63 is: 16,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,626.07 : 29,843.98 = 12,194.63 : x
  2. Step 2: Convert to fraction form
    21,626.07/29,843.98 = 12,194.63/x
  3. Step 3: Cross multiply
    21,626.07x = 29,843.98 × 12,194.63
  4. Step 4: Simplify right side
    21,626.07x = 363,936,232.85
  5. Step 5: Solve for x
    x = 363,936,232.85/21,626.07
  6. Step 6: Final answer
    x = 16,828.59

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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.