Home / 13,582.44-20,371.30-3,719.36

Finding the Fourth Proportional to 13,582.44, 20,371.30 and 3,719.36

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Solution

The fourth proportional to 13,582.44, 20,371.30 and 3,719.36 is: 5,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.44 : 20,371.30 = 3,719.36 : x
  2. Step 2: Convert to fraction form
    13,582.44/20,371.30 = 3,719.36/x
  3. Step 3: Cross multiply
    13,582.44x = 20,371.30 × 3,719.36
  4. Step 4: Simplify right side
    13,582.44x = 75,768,240.00
  5. Step 5: Solve for x
    x = 75,768,240.00/13,582.44
  6. Step 6: Final answer
    x = 5,578.40

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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.