Home / 9,147.76-13,721.68-2,222.26

Finding the Fourth Proportional to 9,147.76, 13,721.68 and 2,222.26

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Solution

The fourth proportional to 9,147.76, 13,721.68 and 2,222.26 is: 3,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.76 : 13,721.68 = 2,222.26 : x
  2. Step 2: Convert to fraction form
    9,147.76/13,721.68 = 2,222.26/x
  3. Step 3: Cross multiply
    9,147.76x = 13,721.68 × 2,222.26
  4. Step 4: Simplify right side
    9,147.76x = 30,493,140.60
  5. Step 5: Solve for x
    x = 30,493,140.60/9,147.76
  6. Step 6: Final answer
    x = 3,333.40

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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.