Home / 12,409.23-18,616.50-6,172.59

Finding the Fourth Proportional to 12,409.23, 18,616.50 and 6,172.59

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Solution

The fourth proportional to 12,409.23, 18,616.50 and 6,172.59 is: 9,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.23 : 18,616.50 = 6,172.59 : x
  2. Step 2: Convert to fraction form
    12,409.23/18,616.50 = 6,172.59/x
  3. Step 3: Cross multiply
    12,409.23x = 18,616.50 × 6,172.59
  4. Step 4: Simplify right side
    12,409.23x = 114,912,021.74
  5. Step 5: Solve for x
    x = 114,912,021.74/12,409.23
  6. Step 6: Final answer
    x = 9,260.21

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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.