Home / 13,259.65-19,889.03-3,399.03

Finding the Fourth Proportional to 13,259.65, 19,889.03 and 3,399.03

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Solution

The fourth proportional to 13,259.65, 19,889.03 and 3,399.03 is: 5,098.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.65 : 19,889.03 = 3,399.03 : x
  2. Step 2: Convert to fraction form
    13,259.65/19,889.03 = 3,399.03/x
  3. Step 3: Cross multiply
    13,259.65x = 19,889.03 × 3,399.03
  4. Step 4: Simplify right side
    13,259.65x = 67,603,293.20
  5. Step 5: Solve for x
    x = 67,603,293.20/13,259.65
  6. Step 6: Final answer
    x = 5,098.42

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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.