Home / 13,911.08-20,869.38-4,050.45

Finding the Fourth Proportional to 13,911.08, 20,869.38 and 4,050.45

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Solution

The fourth proportional to 13,911.08, 20,869.38 and 4,050.45 is: 6,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911.08 : 20,869.38 = 4,050.45 : x
  2. Step 2: Convert to fraction form
    13,911.08/20,869.38 = 4,050.45/x
  3. Step 3: Cross multiply
    13,911.08x = 20,869.38 × 4,050.45
  4. Step 4: Simplify right side
    13,911.08x = 84,530,380.22
  5. Step 5: Solve for x
    x = 84,530,380.22/13,911.08
  6. Step 6: Final answer
    x = 6,076.48

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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.