Home / 13,231.80-19,846.62-3,370.68

Finding the Fourth Proportional to 13,231.80, 19,846.62 and 3,370.68

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Solution

The fourth proportional to 13,231.80, 19,846.62 and 3,370.68 is: 5,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.80 : 19,846.62 = 3,370.68 : x
  2. Step 2: Convert to fraction form
    13,231.80/19,846.62 = 3,370.68/x
  3. Step 3: Cross multiply
    13,231.80x = 19,846.62 × 3,370.68
  4. Step 4: Simplify right side
    13,231.80x = 66,896,605.10
  5. Step 5: Solve for x
    x = 66,896,605.10/13,231.80
  6. Step 6: Final answer
    x = 5,055.74

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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.