Home / 12,030.80-18,037.62-4,629.02

Finding the Fourth Proportional to 12,030.80, 18,037.62 and 4,629.02

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Solution

The fourth proportional to 12,030.80, 18,037.62 and 4,629.02 is: 6,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.80 : 18,037.62 = 4,629.02 : x
  2. Step 2: Convert to fraction form
    12,030.80/18,037.62 = 4,629.02/x
  3. Step 3: Cross multiply
    12,030.80x = 18,037.62 × 4,629.02
  4. Step 4: Simplify right side
    12,030.80x = 83,496,413.54
  5. Step 5: Solve for x
    x = 83,496,413.54/12,030.80
  6. Step 6: Final answer
    x = 6,940.22

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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.