Home / 13,650.96-18,846.36-12,863.64

Finding the Fourth Proportional to 13,650.96, 18,846.36 and 12,863.64

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Solution

The fourth proportional to 13,650.96, 18,846.36 and 12,863.64 is: 17,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.96 : 18,846.36 = 12,863.64 : x
  2. Step 2: Convert to fraction form
    13,650.96/18,846.36 = 12,863.64/x
  3. Step 3: Cross multiply
    13,650.96x = 18,846.36 × 12,863.64
  4. Step 4: Simplify right side
    13,650.96x = 242,432,790.35
  5. Step 5: Solve for x
    x = 242,432,790.35/13,650.96
  6. Step 6: Final answer
    x = 17,759.39

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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.