Home / 12,383.16-18,575.49-4,987.62

Finding the Fourth Proportional to 12,383.16, 18,575.49 and 4,987.62

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Solution

The fourth proportional to 12,383.16, 18,575.49 and 4,987.62 is: 7,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.16 : 18,575.49 = 4,987.62 : x
  2. Step 2: Convert to fraction form
    12,383.16/18,575.49 = 4,987.62/x
  3. Step 3: Cross multiply
    12,383.16x = 18,575.49 × 4,987.62
  4. Step 4: Simplify right side
    12,383.16x = 92,647,485.43
  5. Step 5: Solve for x
    x = 92,647,485.43/12,383.16
  6. Step 6: Final answer
    x = 7,481.73

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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.