Home / 8,114.94-12,170.55-2,272.14

Finding the Fourth Proportional to 8,114.94, 12,170.55 and 2,272.14

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Solution

The fourth proportional to 8,114.94, 12,170.55 and 2,272.14 is: 3,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.94 : 12,170.55 = 2,272.14 : x
  2. Step 2: Convert to fraction form
    8,114.94/12,170.55 = 2,272.14/x
  3. Step 3: Cross multiply
    8,114.94x = 12,170.55 × 2,272.14
  4. Step 4: Simplify right side
    8,114.94x = 27,653,193.48
  5. Step 5: Solve for x
    x = 27,653,193.48/8,114.94
  6. Step 6: Final answer
    x = 3,407.69

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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.