Home / 8,704.11-13,056.21-2,130.33

Finding the Fourth Proportional to 8,704.11, 13,056.21 and 2,130.33

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Solution

The fourth proportional to 8,704.11, 13,056.21 and 2,130.33 is: 3,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.11 : 13,056.21 = 2,130.33 : x
  2. Step 2: Convert to fraction form
    8,704.11/13,056.21 = 2,130.33/x
  3. Step 3: Cross multiply
    8,704.11x = 13,056.21 × 2,130.33
  4. Step 4: Simplify right side
    8,704.11x = 27,814,035.85
  5. Step 5: Solve for x
    x = 27,814,035.85/8,704.11
  6. Step 6: Final answer
    x = 3,195.51

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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.