Home / 12,906.09-19,362.47-4,141.08

Finding the Fourth Proportional to 12,906.09, 19,362.47 and 4,141.08

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Solution

The fourth proportional to 12,906.09, 19,362.47 and 4,141.08 is: 6,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906.09 : 19,362.47 = 4,141.08 : x
  2. Step 2: Convert to fraction form
    12,906.09/19,362.47 = 4,141.08/x
  3. Step 3: Cross multiply
    12,906.09x = 19,362.47 × 4,141.08
  4. Step 4: Simplify right side
    12,906.09x = 80,181,537.27
  5. Step 5: Solve for x
    x = 80,181,537.27/12,906.09
  6. Step 6: Final answer
    x = 6,212.69

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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.