Home / 16,778.80-25,176.30-11,837.80

Finding the Fourth Proportional to 16,778.80, 25,176.30 and 11,837.80

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Solution

The fourth proportional to 16,778.80, 25,176.30 and 11,837.80 is: 17,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.80 : 25,176.30 = 11,837.80 : x
  2. Step 2: Convert to fraction form
    16,778.80/25,176.30 = 11,837.80/x
  3. Step 3: Cross multiply
    16,778.80x = 25,176.30 × 11,837.80
  4. Step 4: Simplify right side
    16,778.80x = 298,032,004.14
  5. Step 5: Solve for x
    x = 298,032,004.14/16,778.80
  6. Step 6: Final answer
    x = 17,762.41

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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.