Home / 13,582.82-20,371.23-6,912.23

Finding the Fourth Proportional to 13,582.82, 20,371.23 and 6,912.23

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Solution

The fourth proportional to 13,582.82, 20,371.23 and 6,912.23 is: 10,366.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.82 : 20,371.23 = 6,912.23 : x
  2. Step 2: Convert to fraction form
    13,582.82/20,371.23 = 6,912.23/x
  3. Step 3: Cross multiply
    13,582.82x = 20,371.23 × 6,912.23
  4. Step 4: Simplify right side
    13,582.82x = 140,810,525.29
  5. Step 5: Solve for x
    x = 140,810,525.29/13,582.82
  6. Step 6: Final answer
    x = 10,366.81

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1.5x scale

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.