Home / 11,869.04-17,805.27-3,969.19

Finding the Fourth Proportional to 11,869.04, 17,805.27 and 3,969.19

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Solution

The fourth proportional to 11,869.04, 17,805.27 and 3,969.19 is: 5,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.04 : 17,805.27 = 3,969.19 : x
  2. Step 2: Convert to fraction form
    11,869.04/17,805.27 = 3,969.19/x
  3. Step 3: Cross multiply
    11,869.04x = 17,805.27 × 3,969.19
  4. Step 4: Simplify right side
    11,869.04x = 70,672,564.52
  5. Step 5: Solve for x
    x = 70,672,564.52/11,869.04
  6. Step 6: Final answer
    x = 5,954.36

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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.