Home / 11,710.26-17,561.16-3,917.25

Finding the Fourth Proportional to 11,710.26, 17,561.16 and 3,917.25

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Solution

The fourth proportional to 11,710.26, 17,561.16 and 3,917.25 is: 5,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.26 : 17,561.16 = 3,917.25 : x
  2. Step 2: Convert to fraction form
    11,710.26/17,561.16 = 3,917.25/x
  3. Step 3: Cross multiply
    11,710.26x = 17,561.16 × 3,917.25
  4. Step 4: Simplify right side
    11,710.26x = 68,791,454.01
  5. Step 5: Solve for x
    x = 68,791,454.01/11,710.26
  6. Step 6: Final answer
    x = 5,874.46

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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.