Home / 13,183.41-18,179.30-8,701.28

Finding the Fourth Proportional to 13,183.41, 18,179.30 and 8,701.28

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Solution

The fourth proportional to 13,183.41, 18,179.30 and 8,701.28 is: 11,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.41 : 18,179.30 = 8,701.28 : x
  2. Step 2: Convert to fraction form
    13,183.41/18,179.30 = 8,701.28/x
  3. Step 3: Cross multiply
    13,183.41x = 18,179.30 × 8,701.28
  4. Step 4: Simplify right side
    13,183.41x = 158,183,179.50
  5. Step 5: Solve for x
    x = 158,183,179.50/13,183.41
  6. Step 6: Final answer
    x = 11,998.65

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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.