Home / 13,231.08-19,845.92-3,369.76

Finding the Fourth Proportional to 13,231.08, 19,845.92 and 3,369.76

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Solution

The fourth proportional to 13,231.08, 19,845.92 and 3,369.76 is: 5,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.08 : 19,845.92 = 3,369.76 : x
  2. Step 2: Convert to fraction form
    13,231.08/19,845.92 = 3,369.76/x
  3. Step 3: Cross multiply
    13,231.08x = 19,845.92 × 3,369.76
  4. Step 4: Simplify right side
    13,231.08x = 66,875,946.19
  5. Step 5: Solve for x
    x = 66,875,946.19/13,231.08
  6. Step 6: Final answer
    x = 5,054.46

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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.