Home / 17,181.20-25,769.40-5,495.60

Finding the Fourth Proportional to 17,181.20, 25,769.40 and 5,495.60

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Solution

The fourth proportional to 17,181.20, 25,769.40 and 5,495.60 is: 8,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,181.20 : 25,769.40 = 5,495.60 : x
  2. Step 2: Convert to fraction form
    17,181.20/25,769.40 = 5,495.60/x
  3. Step 3: Cross multiply
    17,181.20x = 25,769.40 × 5,495.60
  4. Step 4: Simplify right side
    17,181.20x = 141,618,314.64
  5. Step 5: Solve for x
    x = 141,618,314.64/17,181.20
  6. Step 6: Final answer
    x = 8,242.63

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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.