Home / 12,180.26-18,255.66-5,930.91

Finding the Fourth Proportional to 12,180.26, 18,255.66 and 5,930.91

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Solution

The fourth proportional to 12,180.26, 18,255.66 and 5,930.91 is: 8,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.26 : 18,255.66 = 5,930.91 : x
  2. Step 2: Convert to fraction form
    12,180.26/18,255.66 = 5,930.91/x
  3. Step 3: Cross multiply
    12,180.26x = 18,255.66 × 5,930.91
  4. Step 4: Simplify right side
    12,180.26x = 108,272,676.45
  5. Step 5: Solve for x
    x = 108,272,676.45/12,180.26
  6. Step 6: Final answer
    x = 8,889.20

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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.