Home / 16,670.40-25,005.60-15,163.80

Finding the Fourth Proportional to 16,670.40, 25,005.60 and 15,163.80

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Solution

The fourth proportional to 16,670.40, 25,005.60 and 15,163.80 is: 22,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.40 : 25,005.60 = 15,163.80 : x
  2. Step 2: Convert to fraction form
    16,670.40/25,005.60 = 15,163.80/x
  3. Step 3: Cross multiply
    16,670.40x = 25,005.60 × 15,163.80
  4. Step 4: Simplify right side
    16,670.40x = 379,179,917.28
  5. Step 5: Solve for x
    x = 379,179,917.28/16,670.40
  6. Step 6: Final answer
    x = 22,745.70

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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.