Home / 12,628.77-18,942.61-6,796.77

Finding the Fourth Proportional to 12,628.77, 18,942.61 and 6,796.77

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Solution

The fourth proportional to 12,628.77, 18,942.61 and 6,796.77 is: 10,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.77 : 18,942.61 = 6,796.77 : x
  2. Step 2: Convert to fraction form
    12,628.77/18,942.61 = 6,796.77/x
  3. Step 3: Cross multiply
    12,628.77x = 18,942.61 × 6,796.77
  4. Step 4: Simplify right side
    12,628.77x = 128,748,563.37
  5. Step 5: Solve for x
    x = 128,748,563.37/12,628.77
  6. Step 6: Final answer
    x = 10,194.86

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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.