Home / 19,910.44-29,878.62-8,824.36

Finding the Fourth Proportional to 19,910.44, 29,878.62 and 8,824.36

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Solution

The fourth proportional to 19,910.44, 29,878.62 and 8,824.36 is: 13,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.44 : 29,878.62 = 8,824.36 : x
  2. Step 2: Convert to fraction form
    19,910.44/29,878.62 = 8,824.36/x
  3. Step 3: Cross multiply
    19,910.44x = 29,878.62 × 8,824.36
  4. Step 4: Simplify right side
    19,910.44x = 263,659,699.18
  5. Step 5: Solve for x
    x = 263,659,699.18/19,910.44
  6. Step 6: Final answer
    x = 13,242.28

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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.