Home / 12,389.88-18,584.66-3,029.98

Finding the Fourth Proportional to 12,389.88, 18,584.66 and 3,029.98

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Solution

The fourth proportional to 12,389.88, 18,584.66 and 3,029.98 is: 4,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,389.88 : 18,584.66 = 3,029.98 : x
  2. Step 2: Convert to fraction form
    12,389.88/18,584.66 = 3,029.98/x
  3. Step 3: Cross multiply
    12,389.88x = 18,584.66 × 3,029.98
  4. Step 4: Simplify right side
    12,389.88x = 56,311,144.07
  5. Step 5: Solve for x
    x = 56,311,144.07/12,389.88
  6. Step 6: Final answer
    x = 4,544.93

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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.