Home / 12,616.12-18,927.20-3,850.48

Finding the Fourth Proportional to 12,616.12, 18,927.20 and 3,850.48

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Solution

The fourth proportional to 12,616.12, 18,927.20 and 3,850.48 is: 5,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616.12 : 18,927.20 = 3,850.48 : x
  2. Step 2: Convert to fraction form
    12,616.12/18,927.20 = 3,850.48/x
  3. Step 3: Cross multiply
    12,616.12x = 18,927.20 × 3,850.48
  4. Step 4: Simplify right side
    12,616.12x = 72,878,805.06
  5. Step 5: Solve for x
    x = 72,878,805.06/12,616.12
  6. Step 6: Final answer
    x = 5,776.64

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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.