Home / 12,399.45-18,599.27-4,608.25

Finding the Fourth Proportional to 12,399.45, 18,599.27 and 4,608.25

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Solution

The fourth proportional to 12,399.45, 18,599.27 and 4,608.25 is: 6,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,399.45 : 18,599.27 = 4,608.25 : x
  2. Step 2: Convert to fraction form
    12,399.45/18,599.27 = 4,608.25/x
  3. Step 3: Cross multiply
    12,399.45x = 18,599.27 × 4,608.25
  4. Step 4: Simplify right side
    12,399.45x = 85,710,085.98
  5. Step 5: Solve for x
    x = 85,710,085.98/12,399.45
  6. Step 6: Final answer
    x = 6,912.41

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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.