Home / 13,982.66-20,959.40-5,668.41

Finding the Fourth Proportional to 13,982.66, 20,959.40 and 5,668.41

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Solution

The fourth proportional to 13,982.66, 20,959.40 and 5,668.41 is: 8,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.66 : 20,959.40 = 5,668.41 : x
  2. Step 2: Convert to fraction form
    13,982.66/20,959.40 = 5,668.41/x
  3. Step 3: Cross multiply
    13,982.66x = 20,959.40 × 5,668.41
  4. Step 4: Simplify right side
    13,982.66x = 118,806,486.73
  5. Step 5: Solve for x
    x = 118,806,486.73/13,982.66
  6. Step 6: Final answer
    x = 8,496.70

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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.