Home / 12,334.75-18,505.16-3,569.54

Finding the Fourth Proportional to 12,334.75, 18,505.16 and 3,569.54

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Solution

The fourth proportional to 12,334.75, 18,505.16 and 3,569.54 is: 5,355.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.75 : 18,505.16 = 3,569.54 : x
  2. Step 2: Convert to fraction form
    12,334.75/18,505.16 = 3,569.54/x
  3. Step 3: Cross multiply
    12,334.75x = 18,505.16 × 3,569.54
  4. Step 4: Simplify right side
    12,334.75x = 66,054,811.84
  5. Step 5: Solve for x
    x = 66,054,811.84/12,334.75
  6. Step 6: Final answer
    x = 5,355.18

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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.