Home / 19,377.78-26,734.44-12,667.26

Finding the Fourth Proportional to 19,377.78, 26,734.44 and 12,667.26

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Solution

The fourth proportional to 19,377.78, 26,734.44 and 12,667.26 is: 17,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.78 : 26,734.44 = 12,667.26 : x
  2. Step 2: Convert to fraction form
    19,377.78/26,734.44 = 12,667.26/x
  3. Step 3: Cross multiply
    19,377.78x = 26,734.44 × 12,667.26
  4. Step 4: Simplify right side
    19,377.78x = 338,652,102.43
  5. Step 5: Solve for x
    x = 338,652,102.43/19,377.78
  6. Step 6: Final answer
    x = 17,476.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.