Home / 11,741.07-17,614.67-3,420.91

Finding the Fourth Proportional to 11,741.07, 17,614.67 and 3,420.91

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Solution

The fourth proportional to 11,741.07, 17,614.67 and 3,420.91 is: 5,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.07 : 17,614.67 = 3,420.91 : x
  2. Step 2: Convert to fraction form
    11,741.07/17,614.67 = 3,420.91/x
  3. Step 3: Cross multiply
    11,741.07x = 17,614.67 × 3,420.91
  4. Step 4: Simplify right side
    11,741.07x = 60,258,200.75
  5. Step 5: Solve for x
    x = 60,258,200.75/11,741.07
  6. Step 6: Final answer
    x = 5,132.26

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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.