Home / 21,945.54-32,917.77-6,363.30

Finding the Fourth Proportional to 21,945.54, 32,917.77 and 6,363.30

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Solution

The fourth proportional to 21,945.54, 32,917.77 and 6,363.30 is: 9,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.54 : 32,917.77 = 6,363.30 : x
  2. Step 2: Convert to fraction form
    21,945.54/32,917.77 = 6,363.30/x
  3. Step 3: Cross multiply
    21,945.54x = 32,917.77 × 6,363.30
  4. Step 4: Simplify right side
    21,945.54x = 209,465,645.84
  5. Step 5: Solve for x
    x = 209,465,645.84/21,945.54
  6. Step 6: Final answer
    x = 9,544.79

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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.