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Finding the Fourth Proportional to 22,904.88, 34,361.01 and 11,219.01

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Solution

The fourth proportional to 22,904.88, 34,361.01 and 11,219.01 is: 16,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,904.88 : 34,361.01 = 11,219.01 : x
  2. Step 2: Convert to fraction form
    22,904.88/34,361.01 = 11,219.01/x
  3. Step 3: Cross multiply
    22,904.88x = 34,361.01 × 11,219.01
  4. Step 4: Simplify right side
    22,904.88x = 385,496,514.80
  5. Step 5: Solve for x
    x = 385,496,514.80/22,904.88
  6. Step 6: Final answer
    x = 16,830.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.