Home / 13,783.77-20,682.49-5,463.60

Finding the Fourth Proportional to 13,783.77, 20,682.49 and 5,463.60

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Solution

The fourth proportional to 13,783.77, 20,682.49 and 5,463.60 is: 8,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.77 : 20,682.49 = 5,463.60 : x
  2. Step 2: Convert to fraction form
    13,783.77/20,682.49 = 5,463.60/x
  3. Step 3: Cross multiply
    13,783.77x = 20,682.49 × 5,463.60
  4. Step 4: Simplify right side
    13,783.77x = 113,000,852.36
  5. Step 5: Solve for x
    x = 113,000,852.36/13,783.77
  6. Step 6: Final answer
    x = 8,198.11

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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.