Home / 13,034.25-19,383.69-12,619.07

Finding the Fourth Proportional to 13,034.25, 19,383.69 and 12,619.07

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Solution

The fourth proportional to 13,034.25, 19,383.69 and 12,619.07 is: 18,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.25 : 19,383.69 = 12,619.07 : x
  2. Step 2: Convert to fraction form
    13,034.25/19,383.69 = 12,619.07/x
  3. Step 3: Cross multiply
    13,034.25x = 19,383.69 × 12,619.07
  4. Step 4: Simplify right side
    13,034.25x = 244,604,091.80
  5. Step 5: Solve for x
    x = 244,604,091.80/13,034.25
  6. Step 6: Final answer
    x = 18,766.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.