Home / 18,664.20-27,997.08-6,185.34

Finding the Fourth Proportional to 18,664.20, 27,997.08 and 6,185.34

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Solution

The fourth proportional to 18,664.20, 27,997.08 and 6,185.34 is: 9,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.20 : 27,997.08 = 6,185.34 : x
  2. Step 2: Convert to fraction form
    18,664.20/27,997.08 = 6,185.34/x
  3. Step 3: Cross multiply
    18,664.20x = 27,997.08 × 6,185.34
  4. Step 4: Simplify right side
    18,664.20x = 173,171,458.81
  5. Step 5: Solve for x
    x = 173,171,458.81/18,664.20
  6. Step 6: Final answer
    x = 9,278.27

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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.