Home / 13,172.37-19,754.44-4,405.23

Finding the Fourth Proportional to 13,172.37, 19,754.44 and 4,405.23

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Solution

The fourth proportional to 13,172.37, 19,754.44 and 4,405.23 is: 6,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.37 : 19,754.44 = 4,405.23 : x
  2. Step 2: Convert to fraction form
    13,172.37/19,754.44 = 4,405.23/x
  3. Step 3: Cross multiply
    13,172.37x = 19,754.44 × 4,405.23
  4. Step 4: Simplify right side
    13,172.37x = 87,022,851.72
  5. Step 5: Solve for x
    x = 87,022,851.72/13,172.37
  6. Step 6: Final answer
    x = 6,606.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.