Home / 13,348.47-20,022.44-3,988.52

Finding the Fourth Proportional to 13,348.47, 20,022.44 and 3,988.52

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Solution

The fourth proportional to 13,348.47, 20,022.44 and 3,988.52 is: 5,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.47 : 20,022.44 = 3,988.52 : x
  2. Step 2: Convert to fraction form
    13,348.47/20,022.44 = 3,988.52/x
  3. Step 3: Cross multiply
    13,348.47x = 20,022.44 × 3,988.52
  4. Step 4: Simplify right side
    13,348.47x = 79,859,782.33
  5. Step 5: Solve for x
    x = 79,859,782.33/13,348.47
  6. Step 6: Final answer
    x = 5,982.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.