Home / 12,845.16-19,269.36-4,080.60

Finding the Fourth Proportional to 12,845.16, 19,269.36 and 4,080.60

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Solution

The fourth proportional to 12,845.16, 19,269.36 and 4,080.60 is: 6,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.16 : 19,269.36 = 4,080.60 : x
  2. Step 2: Convert to fraction form
    12,845.16/19,269.36 = 4,080.60/x
  3. Step 3: Cross multiply
    12,845.16x = 19,269.36 × 4,080.60
  4. Step 4: Simplify right side
    12,845.16x = 78,630,550.42
  5. Step 5: Solve for x
    x = 78,630,550.42/12,845.16
  6. Step 6: Final answer
    x = 6,121.41

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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.