Home / 13,022.61-19,534.03-3,161.97

Finding the Fourth Proportional to 13,022.61, 19,534.03 and 3,161.97

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Solution

The fourth proportional to 13,022.61, 19,534.03 and 3,161.97 is: 4,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.61 : 19,534.03 = 3,161.97 : x
  2. Step 2: Convert to fraction form
    13,022.61/19,534.03 = 3,161.97/x
  3. Step 3: Cross multiply
    13,022.61x = 19,534.03 × 3,161.97
  4. Step 4: Simplify right side
    13,022.61x = 61,766,016.84
  5. Step 5: Solve for x
    x = 61,766,016.84/13,022.61
  6. Step 6: Final answer
    x = 4,742.98

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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.