Home / 11,578.20-15,977.62-6,542.94

Finding the Fourth Proportional to 11,578.20, 15,977.62 and 6,542.94

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Solution

The fourth proportional to 11,578.20, 15,977.62 and 6,542.94 is: 9,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.20 : 15,977.62 = 6,542.94 : x
  2. Step 2: Convert to fraction form
    11,578.20/15,977.62 = 6,542.94/x
  3. Step 3: Cross multiply
    11,578.20x = 15,977.62 × 6,542.94
  4. Step 4: Simplify right side
    11,578.20x = 104,540,609.00
  5. Step 5: Solve for x
    x = 104,540,609.00/11,578.20
  6. Step 6: Final answer
    x = 9,029.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.