Home / 18,672.14-27,999.37-6,817.68

Finding the Fourth Proportional to 18,672.14, 27,999.37 and 6,817.68

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Solution

The fourth proportional to 18,672.14, 27,999.37 and 6,817.68 is: 10,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672.14 : 27,999.37 = 6,817.68 : x
  2. Step 2: Convert to fraction form
    18,672.14/27,999.37 = 6,817.68/x
  3. Step 3: Cross multiply
    18,672.14x = 27,999.37 × 6,817.68
  4. Step 4: Simplify right side
    18,672.14x = 190,890,744.86
  5. Step 5: Solve for x
    x = 190,890,744.86/18,672.14
  6. Step 6: Final answer
    x = 10,223.29

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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.