Home / 13,358.29-20,041.44-3,998.61

Finding the Fourth Proportional to 13,358.29, 20,041.44 and 3,998.61

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Solution

The fourth proportional to 13,358.29, 20,041.44 and 3,998.61 is: 5,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.29 : 20,041.44 = 3,998.61 : x
  2. Step 2: Convert to fraction form
    13,358.29/20,041.44 = 3,998.61/x
  3. Step 3: Cross multiply
    13,358.29x = 20,041.44 × 3,998.61
  4. Step 4: Simplify right side
    13,358.29x = 80,137,912.39
  5. Step 5: Solve for x
    x = 80,137,912.39/13,358.29
  6. Step 6: Final answer
    x = 5,999.12

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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.