Home / 12,526.33-18,796.41-6,982.80

Finding the Fourth Proportional to 12,526.33, 18,796.41 and 6,982.80

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Solution

The fourth proportional to 12,526.33, 18,796.41 and 6,982.80 is: 10,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.33 : 18,796.41 = 6,982.80 : x
  2. Step 2: Convert to fraction form
    12,526.33/18,796.41 = 6,982.80/x
  3. Step 3: Cross multiply
    12,526.33x = 18,796.41 × 6,982.80
  4. Step 4: Simplify right side
    12,526.33x = 131,251,571.75
  5. Step 5: Solve for x
    x = 131,251,571.75/12,526.33
  6. Step 6: Final answer
    x = 10,478.05

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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.