Home / 8,204.09-12,295.40-7,161.41

Finding the Fourth Proportional to 8,204.09, 12,295.40 and 7,161.41

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Solution

The fourth proportional to 8,204.09, 12,295.40 and 7,161.41 is: 10,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.09 : 12,295.40 = 7,161.41 : x
  2. Step 2: Convert to fraction form
    8,204.09/12,295.40 = 7,161.41/x
  3. Step 3: Cross multiply
    8,204.09x = 12,295.40 × 7,161.41
  4. Step 4: Simplify right side
    8,204.09x = 88,052,395.45
  5. Step 5: Solve for x
    x = 88,052,395.45/8,204.09
  6. Step 6: Final answer
    x = 10,732.75

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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.