Home / 11,362.90-17,047.04-3,571.72

Finding the Fourth Proportional to 11,362.90, 17,047.04 and 3,571.72

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Solution

The fourth proportional to 11,362.90, 17,047.04 and 3,571.72 is: 5,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.90 : 17,047.04 = 3,571.72 : x
  2. Step 2: Convert to fraction form
    11,362.90/17,047.04 = 3,571.72/x
  3. Step 3: Cross multiply
    11,362.90x = 17,047.04 × 3,571.72
  4. Step 4: Simplify right side
    11,362.90x = 60,887,150.62
  5. Step 5: Solve for x
    x = 60,887,150.62/11,362.90
  6. Step 6: Final answer
    x = 5,358.42

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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.