Home / 12,940.05-19,410.06-4,055.44

Finding the Fourth Proportional to 12,940.05, 19,410.06 and 4,055.44

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Solution

The fourth proportional to 12,940.05, 19,410.06 and 4,055.44 is: 6,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940.05 : 19,410.06 = 4,055.44 : x
  2. Step 2: Convert to fraction form
    12,940.05/19,410.06 = 4,055.44/x
  3. Step 3: Cross multiply
    12,940.05x = 19,410.06 × 4,055.44
  4. Step 4: Simplify right side
    12,940.05x = 78,716,333.73
  5. Step 5: Solve for x
    x = 78,716,333.73/12,940.05
  6. Step 6: Final answer
    x = 6,083.16

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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.