Home / 9,515.92-13,131.24-5,323.60

Finding the Fourth Proportional to 9,515.92, 13,131.24 and 5,323.60

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Solution

The fourth proportional to 9,515.92, 13,131.24 and 5,323.60 is: 7,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.92 : 13,131.24 = 5,323.60 : x
  2. Step 2: Convert to fraction form
    9,515.92/13,131.24 = 5,323.60/x
  3. Step 3: Cross multiply
    9,515.92x = 13,131.24 × 5,323.60
  4. Step 4: Simplify right side
    9,515.92x = 69,905,469.26
  5. Step 5: Solve for x
    x = 69,905,469.26/9,515.92
  6. Step 6: Final answer
    x = 7,346.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.