Home / 13,015.38-19,519.08-4,694.36

Finding the Fourth Proportional to 13,015.38, 19,519.08 and 4,694.36

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Solution

The fourth proportional to 13,015.38, 19,519.08 and 4,694.36 is: 7,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.38 : 19,519.08 = 4,694.36 : x
  2. Step 2: Convert to fraction form
    13,015.38/19,519.08 = 4,694.36/x
  3. Step 3: Cross multiply
    13,015.38x = 19,519.08 × 4,694.36
  4. Step 4: Simplify right side
    13,015.38x = 91,629,473.19
  5. Step 5: Solve for x
    x = 91,629,473.19/13,015.38
  6. Step 6: Final answer
    x = 7,040.09

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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.