Home / 12,884.66-19,326.73-4,119.56

Finding the Fourth Proportional to 12,884.66, 19,326.73 and 4,119.56

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Solution

The fourth proportional to 12,884.66, 19,326.73 and 4,119.56 is: 6,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.66 : 19,326.73 = 4,119.56 : x
  2. Step 2: Convert to fraction form
    12,884.66/19,326.73 = 4,119.56/x
  3. Step 3: Cross multiply
    12,884.66x = 19,326.73 × 4,119.56
  4. Step 4: Simplify right side
    12,884.66x = 79,617,623.84
  5. Step 5: Solve for x
    x = 79,617,623.84/12,884.66
  6. Step 6: Final answer
    x = 6,179.26

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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.