Home / 13,840.86-20,759.66-3,846.37

Finding the Fourth Proportional to 13,840.86, 20,759.66 and 3,846.37

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Solution

The fourth proportional to 13,840.86, 20,759.66 and 3,846.37 is: 5,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.86 : 20,759.66 = 3,846.37 : x
  2. Step 2: Convert to fraction form
    13,840.86/20,759.66 = 3,846.37/x
  3. Step 3: Cross multiply
    13,840.86x = 20,759.66 × 3,846.37
  4. Step 4: Simplify right side
    13,840.86x = 79,849,291.15
  5. Step 5: Solve for x
    x = 79,849,291.15/13,840.86
  6. Step 6: Final answer
    x = 5,769.10

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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.