Home / 13,230.34-19,845.63-3,369.61

Finding the Fourth Proportional to 13,230.34, 19,845.63 and 3,369.61

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Solution

The fourth proportional to 13,230.34, 19,845.63 and 3,369.61 is: 5,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.34 : 19,845.63 = 3,369.61 : x
  2. Step 2: Convert to fraction form
    13,230.34/19,845.63 = 3,369.61/x
  3. Step 3: Cross multiply
    13,230.34x = 19,845.63 × 3,369.61
  4. Step 4: Simplify right side
    13,230.34x = 66,872,033.30
  5. Step 5: Solve for x
    x = 66,872,033.30/13,230.34
  6. Step 6: Final answer
    x = 5,054.45

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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.