Home / 12,998.05-19,496.97-6,754.84

Finding the Fourth Proportional to 12,998.05, 19,496.97 and 6,754.84

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Solution

The fourth proportional to 12,998.05, 19,496.97 and 6,754.84 is: 10,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.05 : 19,496.97 = 6,754.84 : x
  2. Step 2: Convert to fraction form
    12,998.05/19,496.97 = 6,754.84/x
  3. Step 3: Cross multiply
    12,998.05x = 19,496.97 × 6,754.84
  4. Step 4: Simplify right side
    12,998.05x = 131,698,864.09
  5. Step 5: Solve for x
    x = 131,698,864.09/12,998.05
  6. Step 6: Final answer
    x = 10,132.20

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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.