Home / 16,121.40-24,149.70-8,334.60

Finding the Fourth Proportional to 16,121.40, 24,149.70 and 8,334.60

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Solution

The fourth proportional to 16,121.40, 24,149.70 and 8,334.60 is: 12,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.40 : 24,149.70 = 8,334.60 : x
  2. Step 2: Convert to fraction form
    16,121.40/24,149.70 = 8,334.60/x
  3. Step 3: Cross multiply
    16,121.40x = 24,149.70 × 8,334.60
  4. Step 4: Simplify right side
    16,121.40x = 201,278,089.62
  5. Step 5: Solve for x
    x = 201,278,089.62/16,121.40
  6. Step 6: Final answer
    x = 12,485.15

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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.