Home / 13,846.11-20,769.21-3,457.86

Finding the Fourth Proportional to 13,846.11, 20,769.21 and 3,457.86

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Solution

The fourth proportional to 13,846.11, 20,769.21 and 3,457.86 is: 5,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.11 : 20,769.21 = 3,457.86 : x
  2. Step 2: Convert to fraction form
    13,846.11/20,769.21 = 3,457.86/x
  3. Step 3: Cross multiply
    13,846.11x = 20,769.21 × 3,457.86
  4. Step 4: Simplify right side
    13,846.11x = 71,817,020.49
  5. Step 5: Solve for x
    x = 71,817,020.49/13,846.11
  6. Step 6: Final answer
    x = 5,186.80

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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.