Home / 17,383.82-26,075.79-12,212.78

Finding the Fourth Proportional to 17,383.82, 26,075.79 and 12,212.78

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Solution

The fourth proportional to 17,383.82, 26,075.79 and 12,212.78 is: 18,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,383.82 : 26,075.79 = 12,212.78 : x
  2. Step 2: Convert to fraction form
    17,383.82/26,075.79 = 12,212.78/x
  3. Step 3: Cross multiply
    17,383.82x = 26,075.79 × 12,212.78
  4. Step 4: Simplify right side
    17,383.82x = 318,457,756.22
  5. Step 5: Solve for x
    x = 318,457,756.22/17,383.82
  6. Step 6: Final answer
    x = 18,319.21

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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.