Home / 8,014.28-12,021.35-2,170.85

Finding the Fourth Proportional to 8,014.28, 12,021.35 and 2,170.85

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Solution

The fourth proportional to 8,014.28, 12,021.35 and 2,170.85 is: 3,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.28 : 12,021.35 = 2,170.85 : x
  2. Step 2: Convert to fraction form
    8,014.28/12,021.35 = 2,170.85/x
  3. Step 3: Cross multiply
    8,014.28x = 12,021.35 × 2,170.85
  4. Step 4: Simplify right side
    8,014.28x = 26,096,476.69
  5. Step 5: Solve for x
    x = 26,096,476.69/8,014.28
  6. Step 6: Final answer
    x = 3,256.25

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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.