Home / 11,411.01-17,119.26-3,619.80

Finding the Fourth Proportional to 11,411.01, 17,119.26 and 3,619.80

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Solution

The fourth proportional to 11,411.01, 17,119.26 and 3,619.80 is: 5,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411.01 : 17,119.26 = 3,619.80 : x
  2. Step 2: Convert to fraction form
    11,411.01/17,119.26 = 3,619.80/x
  3. Step 3: Cross multiply
    11,411.01x = 17,119.26 × 3,619.80
  4. Step 4: Simplify right side
    11,411.01x = 61,968,297.35
  5. Step 5: Solve for x
    x = 61,968,297.35/11,411.01
  6. Step 6: Final answer
    x = 5,430.57

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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.