Home / 13,596.75-18,769.38-12,745.64

Finding the Fourth Proportional to 13,596.75, 18,769.38 and 12,745.64

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Solution

The fourth proportional to 13,596.75, 18,769.38 and 12,745.64 is: 17,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.75 : 18,769.38 = 12,745.64 : x
  2. Step 2: Convert to fraction form
    13,596.75/18,769.38 = 12,745.64/x
  3. Step 3: Cross multiply
    13,596.75x = 18,769.38 × 12,745.64
  4. Step 4: Simplify right side
    13,596.75x = 239,227,760.50
  5. Step 5: Solve for x
    x = 239,227,760.50/13,596.75
  6. Step 6: Final answer
    x = 17,594.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.