Home / 20,745.98-28,631.88-11,794.83

Finding the Fourth Proportional to 20,745.98, 28,631.88 and 11,794.83

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Solution

The fourth proportional to 20,745.98, 28,631.88 and 11,794.83 is: 16,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745.98 : 28,631.88 = 11,794.83 : x
  2. Step 2: Convert to fraction form
    20,745.98/28,631.88 = 11,794.83/x
  3. Step 3: Cross multiply
    20,745.98x = 28,631.88 × 11,794.83
  4. Step 4: Simplify right side
    20,745.98x = 337,708,005.58
  5. Step 5: Solve for x
    x = 337,708,005.58/20,745.98
  6. Step 6: Final answer
    x = 16,278.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.