Home / 12,664.44-18,998.19-5,273.91

Finding the Fourth Proportional to 12,664.44, 18,998.19 and 5,273.91

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Solution

The fourth proportional to 12,664.44, 18,998.19 and 5,273.91 is: 7,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664.44 : 18,998.19 = 5,273.91 : x
  2. Step 2: Convert to fraction form
    12,664.44/18,998.19 = 5,273.91/x
  3. Step 3: Cross multiply
    12,664.44x = 18,998.19 × 5,273.91
  4. Step 4: Simplify right side
    12,664.44x = 100,194,744.22
  5. Step 5: Solve for x
    x = 100,194,744.22/12,664.44
  6. Step 6: Final answer
    x = 7,911.50

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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.