Home / 13,936.86-20,911.15-8,676.27

Finding the Fourth Proportional to 13,936.86, 20,911.15 and 8,676.27

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Solution

The fourth proportional to 13,936.86, 20,911.15 and 8,676.27 is: 13,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.86 : 20,911.15 = 8,676.27 : x
  2. Step 2: Convert to fraction form
    13,936.86/20,911.15 = 8,676.27/x
  3. Step 3: Cross multiply
    13,936.86x = 20,911.15 × 8,676.27
  4. Step 4: Simplify right side
    13,936.86x = 181,430,872.67
  5. Step 5: Solve for x
    x = 181,430,872.67/13,936.86
  6. Step 6: Final answer
    x = 13,018.06

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1.5x scale

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.