Home / 21,764.82-30,033.36-12,333.36

Finding the Fourth Proportional to 21,764.82, 30,033.36 and 12,333.36

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Solution

The fourth proportional to 21,764.82, 30,033.36 and 12,333.36 is: 17,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.82 : 30,033.36 = 12,333.36 : x
  2. Step 2: Convert to fraction form
    21,764.82/30,033.36 = 12,333.36/x
  3. Step 3: Cross multiply
    21,764.82x = 30,033.36 × 12,333.36
  4. Step 4: Simplify right side
    21,764.82x = 370,412,240.89
  5. Step 5: Solve for x
    x = 370,412,240.89/21,764.82
  6. Step 6: Final answer
    x = 17,018.85

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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.