Home / 12,896.74-19,367.79-12,712.06

Finding the Fourth Proportional to 12,896.74, 19,367.79 and 12,712.06

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Solution

The fourth proportional to 12,896.74, 19,367.79 and 12,712.06 is: 19,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.74 : 19,367.79 = 12,712.06 : x
  2. Step 2: Convert to fraction form
    12,896.74/19,367.79 = 12,712.06/x
  3. Step 3: Cross multiply
    12,896.74x = 19,367.79 × 12,712.06
  4. Step 4: Simplify right side
    12,896.74x = 246,204,508.55
  5. Step 5: Solve for x
    x = 246,204,508.55/12,896.74
  6. Step 6: Final answer
    x = 19,090.45

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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.