Home / 12,400.45-18,603.41-4,083.02

Finding the Fourth Proportional to 12,400.45, 18,603.41 and 4,083.02

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Solution

The fourth proportional to 12,400.45, 18,603.41 and 4,083.02 is: 6,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.45 : 18,603.41 = 4,083.02 : x
  2. Step 2: Convert to fraction form
    12,400.45/18,603.41 = 4,083.02/x
  3. Step 3: Cross multiply
    12,400.45x = 18,603.41 × 4,083.02
  4. Step 4: Simplify right side
    12,400.45x = 75,958,095.10
  5. Step 5: Solve for x
    x = 75,958,095.10/12,400.45
  6. Step 6: Final answer
    x = 6,125.43

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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.