Home / 12,278.52-16,944.39-6,975.09

Finding the Fourth Proportional to 12,278.52, 16,944.39 and 6,975.09

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Solution

The fourth proportional to 12,278.52, 16,944.39 and 6,975.09 is: 9,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278.52 : 16,944.39 = 6,975.09 : x
  2. Step 2: Convert to fraction form
    12,278.52/16,944.39 = 6,975.09/x
  3. Step 3: Cross multiply
    12,278.52x = 16,944.39 × 6,975.09
  4. Step 4: Simplify right side
    12,278.52x = 118,188,645.25
  5. Step 5: Solve for x
    x = 118,188,645.25/12,278.52
  6. Step 6: Final answer
    x = 9,625.64

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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.