Home / 10,181.79-15,272.73-3,608.19

Finding the Fourth Proportional to 10,181.79, 15,272.73 and 3,608.19

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Solution

The fourth proportional to 10,181.79, 15,272.73 and 3,608.19 is: 5,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.79 : 15,272.73 = 3,608.19 : x
  2. Step 2: Convert to fraction form
    10,181.79/15,272.73 = 3,608.19/x
  3. Step 3: Cross multiply
    10,181.79x = 15,272.73 × 3,608.19
  4. Step 4: Simplify right side
    10,181.79x = 55,106,911.66
  5. Step 5: Solve for x
    x = 55,106,911.66/10,181.79
  6. Step 6: Final answer
    x = 5,412.30

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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.