Home / 12,216.58-16,858.97-6,627.62

Finding the Fourth Proportional to 12,216.58, 16,858.97 and 6,627.62

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Solution

The fourth proportional to 12,216.58, 16,858.97 and 6,627.62 is: 9,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.58 : 16,858.97 = 6,627.62 : x
  2. Step 2: Convert to fraction form
    12,216.58/16,858.97 = 6,627.62/x
  3. Step 3: Cross multiply
    12,216.58x = 16,858.97 × 6,627.62
  4. Step 4: Simplify right side
    12,216.58x = 111,734,846.75
  5. Step 5: Solve for x
    x = 111,734,846.75/12,216.58
  6. Step 6: Final answer
    x = 9,146.16

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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.