Home / 8,006.16-12,009.21-2,163.36

Finding the Fourth Proportional to 8,006.16, 12,009.21 and 2,163.36

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Solution

The fourth proportional to 8,006.16, 12,009.21 and 2,163.36 is: 3,245.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.16 : 12,009.21 = 2,163.36 : x
  2. Step 2: Convert to fraction form
    8,006.16/12,009.21 = 2,163.36/x
  3. Step 3: Cross multiply
    8,006.16x = 12,009.21 × 2,163.36
  4. Step 4: Simplify right side
    8,006.16x = 25,980,244.55
  5. Step 5: Solve for x
    x = 25,980,244.55/8,006.16
  6. Step 6: Final answer
    x = 3,245.03

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1.5x scale

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.