Home / 21,945.45-32,918.03-8,797.64

Finding the Fourth Proportional to 21,945.45, 32,918.03 and 8,797.64

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Solution

The fourth proportional to 21,945.45, 32,918.03 and 8,797.64 is: 13,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.45 : 32,918.03 = 8,797.64 : x
  2. Step 2: Convert to fraction form
    21,945.45/32,918.03 = 8,797.64/x
  3. Step 3: Cross multiply
    21,945.45x = 32,918.03 × 8,797.64
  4. Step 4: Simplify right side
    21,945.45x = 289,600,768.87
  5. Step 5: Solve for x
    x = 289,600,768.87/21,945.45
  6. Step 6: Final answer
    x = 13,196.39

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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.