Home / 16,745.40-25,118.10-6,879.60

Finding the Fourth Proportional to 16,745.40, 25,118.10 and 6,879.60

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Solution

The fourth proportional to 16,745.40, 25,118.10 and 6,879.60 is: 10,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.40 : 25,118.10 = 6,879.60 : x
  2. Step 2: Convert to fraction form
    16,745.40/25,118.10 = 6,879.60/x
  3. Step 3: Cross multiply
    16,745.40x = 25,118.10 × 6,879.60
  4. Step 4: Simplify right side
    16,745.40x = 172,802,480.76
  5. Step 5: Solve for x
    x = 172,802,480.76/16,745.40
  6. Step 6: Final answer
    x = 10,319.40

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1.5x scale

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.