Home / 13,206.86-19,813.53-3,846.96

Finding the Fourth Proportional to 13,206.86, 19,813.53 and 3,846.96

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Solution

The fourth proportional to 13,206.86, 19,813.53 and 3,846.96 is: 5,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.86 : 19,813.53 = 3,846.96 : x
  2. Step 2: Convert to fraction form
    13,206.86/19,813.53 = 3,846.96/x
  3. Step 3: Cross multiply
    13,206.86x = 19,813.53 × 3,846.96
  4. Step 4: Simplify right side
    13,206.86x = 76,221,946.10
  5. Step 5: Solve for x
    x = 76,221,946.10/13,206.86
  6. Step 6: Final answer
    x = 5,771.39

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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.