Home / 9,481.75-14,223.30-3,638.36

Finding the Fourth Proportional to 9,481.75, 14,223.30 and 3,638.36

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Solution

The fourth proportional to 9,481.75, 14,223.30 and 3,638.36 is: 5,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.75 : 14,223.30 = 3,638.36 : x
  2. Step 2: Convert to fraction form
    9,481.75/14,223.30 = 3,638.36/x
  3. Step 3: Cross multiply
    9,481.75x = 14,223.30 × 3,638.36
  4. Step 4: Simplify right side
    9,481.75x = 51,749,430.72
  5. Step 5: Solve for x
    x = 51,749,430.72/9,481.75
  6. Step 6: Final answer
    x = 5,457.80

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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.