Home / 14,836.68-20,474.22-8,122.29

Finding the Fourth Proportional to 14,836.68, 20,474.22 and 8,122.29

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Solution

The fourth proportional to 14,836.68, 20,474.22 and 8,122.29 is: 11,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.68 : 20,474.22 = 8,122.29 : x
  2. Step 2: Convert to fraction form
    14,836.68/20,474.22 = 8,122.29/x
  3. Step 3: Cross multiply
    14,836.68x = 20,474.22 × 8,122.29
  4. Step 4: Simplify right side
    14,836.68x = 166,297,552.36
  5. Step 5: Solve for x
    x = 166,297,552.36/14,836.68
  6. Step 6: Final answer
    x = 11,208.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.