Home / 18,822.45-28,236.36-6,169.50

Finding the Fourth Proportional to 18,822.45, 28,236.36 and 6,169.50

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Solution

The fourth proportional to 18,822.45, 28,236.36 and 6,169.50 is: 9,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.45 : 28,236.36 = 6,169.50 : x
  2. Step 2: Convert to fraction form
    18,822.45/28,236.36 = 6,169.50/x
  3. Step 3: Cross multiply
    18,822.45x = 28,236.36 × 6,169.50
  4. Step 4: Simplify right side
    18,822.45x = 174,204,223.02
  5. Step 5: Solve for x
    x = 174,204,223.02/18,822.45
  6. Step 6: Final answer
    x = 9,255.13

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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.