Home / 13,292.77-19,939.23-3,431.37

Finding the Fourth Proportional to 13,292.77, 19,939.23 and 3,431.37

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Solution

The fourth proportional to 13,292.77, 19,939.23 and 3,431.37 is: 5,147.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.77 : 19,939.23 = 3,431.37 : x
  2. Step 2: Convert to fraction form
    13,292.77/19,939.23 = 3,431.37/x
  3. Step 3: Cross multiply
    13,292.77x = 19,939.23 × 3,431.37
  4. Step 4: Simplify right side
    13,292.77x = 68,418,858.49
  5. Step 5: Solve for x
    x = 68,418,858.49/13,292.77
  6. Step 6: Final answer
    x = 5,147.08

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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.