Home / 12,677.64-19,016.75-3,912.56

Finding the Fourth Proportional to 12,677.64, 19,016.75 and 3,912.56

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Solution

The fourth proportional to 12,677.64, 19,016.75 and 3,912.56 is: 5,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.64 : 19,016.75 = 3,912.56 : x
  2. Step 2: Convert to fraction form
    12,677.64/19,016.75 = 3,912.56/x
  3. Step 3: Cross multiply
    12,677.64x = 19,016.75 × 3,912.56
  4. Step 4: Simplify right side
    12,677.64x = 74,404,218.03
  5. Step 5: Solve for x
    x = 74,404,218.03/12,677.64
  6. Step 6: Final answer
    x = 5,868.93

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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.