Home / 12,674.20-19,009.82-3,908.36

Finding the Fourth Proportional to 12,674.20, 19,009.82 and 3,908.36

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Solution

The fourth proportional to 12,674.20, 19,009.82 and 3,908.36 is: 5,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.20 : 19,009.82 = 3,908.36 : x
  2. Step 2: Convert to fraction form
    12,674.20/19,009.82 = 3,908.36/x
  3. Step 3: Cross multiply
    12,674.20x = 19,009.82 × 3,908.36
  4. Step 4: Simplify right side
    12,674.20x = 74,297,220.10
  5. Step 5: Solve for x
    x = 74,297,220.10/12,674.20
  6. Step 6: Final answer
    x = 5,862.08

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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.