Home / 12,616.14-18,927.16-3,851.05

Finding the Fourth Proportional to 12,616.14, 18,927.16 and 3,851.05

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Solution

The fourth proportional to 12,616.14, 18,927.16 and 3,851.05 is: 5,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616.14 : 18,927.16 = 3,851.05 : x
  2. Step 2: Convert to fraction form
    12,616.14/18,927.16 = 3,851.05/x
  3. Step 3: Cross multiply
    12,616.14x = 18,927.16 × 3,851.05
  4. Step 4: Simplify right side
    12,616.14x = 72,889,382.57
  5. Step 5: Solve for x
    x = 72,889,382.57/12,616.14
  6. Step 6: Final answer
    x = 5,777.47

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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.