Home / 11,179.26-15,427.64-6,143.44

Finding the Fourth Proportional to 11,179.26, 15,427.64 and 6,143.44

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Solution

The fourth proportional to 11,179.26, 15,427.64 and 6,143.44 is: 8,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,179.26 : 15,427.64 = 6,143.44 : x
  2. Step 2: Convert to fraction form
    11,179.26/15,427.64 = 6,143.44/x
  3. Step 3: Cross multiply
    11,179.26x = 15,427.64 × 6,143.44
  4. Step 4: Simplify right side
    11,179.26x = 94,778,780.68
  5. Step 5: Solve for x
    x = 94,778,780.68/11,179.26
  6. Step 6: Final answer
    x = 8,478.09

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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.