Home / 36,815.58-55,215.60-11,857.86

Finding the Fourth Proportional to 36,815.58, 55,215.60 and 11,857.86

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Solution

The fourth proportional to 36,815.58, 55,215.60 and 11,857.86 is: 17,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.58 : 55,215.60 = 11,857.86 : x
  2. Step 2: Convert to fraction form
    36,815.58/55,215.60 = 11,857.86/x
  3. Step 3: Cross multiply
    36,815.58x = 55,215.60 × 11,857.86
  4. Step 4: Simplify right side
    36,815.58x = 654,738,854.62
  5. Step 5: Solve for x
    x = 654,738,854.62/36,815.58
  6. Step 6: Final answer
    x = 17,784.29

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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.