Home / 12,049.80-18,063.36-4,254.36

Finding the Fourth Proportional to 12,049.80, 18,063.36 and 4,254.36

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Solution

The fourth proportional to 12,049.80, 18,063.36 and 4,254.36 is: 6,377.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.80 : 18,063.36 = 4,254.36 : x
  2. Step 2: Convert to fraction form
    12,049.80/18,063.36 = 4,254.36/x
  3. Step 3: Cross multiply
    12,049.80x = 18,063.36 × 4,254.36
  4. Step 4: Simplify right side
    12,049.80x = 76,848,036.25
  5. Step 5: Solve for x
    x = 76,848,036.25/12,049.80
  6. Step 6: Final answer
    x = 6,377.54

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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.