Home / 12,906.74-19,360.26-12,277.22

Finding the Fourth Proportional to 12,906.74, 19,360.26 and 12,277.22

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Solution

The fourth proportional to 12,906.74, 19,360.26 and 12,277.22 is: 18,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,906.74 : 19,360.26 = 12,277.22 : x
  2. Step 2: Convert to fraction form
    12,906.74/19,360.26 = 12,277.22/x
  3. Step 3: Cross multiply
    12,906.74x = 19,360.26 × 12,277.22
  4. Step 4: Simplify right side
    12,906.74x = 237,690,171.28
  5. Step 5: Solve for x
    x = 237,690,171.28/12,906.74
  6. Step 6: Final answer
    x = 18,415.97

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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.