Home / 19,917.90-29,869.97-8,832.34

Finding the Fourth Proportional to 19,917.90, 29,869.97 and 8,832.34

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Solution

The fourth proportional to 19,917.90, 29,869.97 and 8,832.34 is: 13,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.90 : 29,869.97 = 8,832.34 : x
  2. Step 2: Convert to fraction form
    19,917.90/29,869.97 = 8,832.34/x
  3. Step 3: Cross multiply
    19,917.90x = 29,869.97 × 8,832.34
  4. Step 4: Simplify right side
    19,917.90x = 263,821,724.01
  5. Step 5: Solve for x
    x = 263,821,724.01/19,917.90
  6. Step 6: Final answer
    x = 13,245.46

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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.