Home / 13,997.10-20,995.23-5,676.92

Finding the Fourth Proportional to 13,997.10, 20,995.23 and 5,676.92

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Solution

The fourth proportional to 13,997.10, 20,995.23 and 5,676.92 is: 8,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.10 : 20,995.23 = 5,676.92 : x
  2. Step 2: Convert to fraction form
    13,997.10/20,995.23 = 5,676.92/x
  3. Step 3: Cross multiply
    13,997.10x = 20,995.23 × 5,676.92
  4. Step 4: Simplify right side
    13,997.10x = 119,188,236.14
  5. Step 5: Solve for x
    x = 119,188,236.14/13,997.10
  6. Step 6: Final answer
    x = 8,515.21

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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.