Home / 12,282.82-18,424.42-6,450.82

Finding the Fourth Proportional to 12,282.82, 18,424.42 and 6,450.82

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Solution

The fourth proportional to 12,282.82, 18,424.42 and 6,450.82 is: 9,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.82 : 18,424.42 = 6,450.82 : x
  2. Step 2: Convert to fraction form
    12,282.82/18,424.42 = 6,450.82/x
  3. Step 3: Cross multiply
    12,282.82x = 18,424.42 × 6,450.82
  4. Step 4: Simplify right side
    12,282.82x = 118,852,617.02
  5. Step 5: Solve for x
    x = 118,852,617.02/12,282.82
  6. Step 6: Final answer
    x = 9,676.33

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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.