Home / 21,225.53-29,292.20-11,794.09

Finding the Fourth Proportional to 21,225.53, 29,292.20 and 11,794.09

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Solution

The fourth proportional to 21,225.53, 29,292.20 and 11,794.09 is: 16,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225.53 : 29,292.20 = 11,794.09 : x
  2. Step 2: Convert to fraction form
    21,225.53/29,292.20 = 11,794.09/x
  3. Step 3: Cross multiply
    21,225.53x = 29,292.20 × 11,794.09
  4. Step 4: Simplify right side
    21,225.53x = 345,474,843.10
  5. Step 5: Solve for x
    x = 345,474,843.10/21,225.53
  6. Step 6: Final answer
    x = 16,276.38

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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.