Home / 12,669.75-19,004.69-3,435.75

Finding the Fourth Proportional to 12,669.75, 19,004.69 and 3,435.75

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Solution

The fourth proportional to 12,669.75, 19,004.69 and 3,435.75 is: 5,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.75 : 19,004.69 = 3,435.75 : x
  2. Step 2: Convert to fraction form
    12,669.75/19,004.69 = 3,435.75/x
  3. Step 3: Cross multiply
    12,669.75x = 19,004.69 × 3,435.75
  4. Step 4: Simplify right side
    12,669.75x = 65,295,372.26
  5. Step 5: Solve for x
    x = 65,295,372.26/12,669.75
  6. Step 6: Final answer
    x = 5,153.64

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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.