Home / 8,104.95-12,155.67-2,181.69

Finding the Fourth Proportional to 8,104.95, 12,155.67 and 2,181.69

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Solution

The fourth proportional to 8,104.95, 12,155.67 and 2,181.69 is: 3,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.95 : 12,155.67 = 2,181.69 : x
  2. Step 2: Convert to fraction form
    8,104.95/12,155.67 = 2,181.69/x
  3. Step 3: Cross multiply
    8,104.95x = 12,155.67 × 2,181.69
  4. Step 4: Simplify right side
    8,104.95x = 26,519,903.68
  5. Step 5: Solve for x
    x = 26,519,903.68/8,104.95
  6. Step 6: Final answer
    x = 3,272.06

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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.