Home / 13,400.33-20,101.43-4,040.42

Finding the Fourth Proportional to 13,400.33, 20,101.43 and 4,040.42

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Solution

The fourth proportional to 13,400.33, 20,101.43 and 4,040.42 is: 6,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.33 : 20,101.43 = 4,040.42 : x
  2. Step 2: Convert to fraction form
    13,400.33/20,101.43 = 4,040.42/x
  3. Step 3: Cross multiply
    13,400.33x = 20,101.43 × 4,040.42
  4. Step 4: Simplify right side
    13,400.33x = 81,218,219.80
  5. Step 5: Solve for x
    x = 81,218,219.80/13,400.33
  6. Step 6: Final answer
    x = 6,060.91

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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.