Home / 20,223.44-27,908.46-11,730.60

Finding the Fourth Proportional to 20,223.44, 27,908.46 and 11,730.60

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Solution

The fourth proportional to 20,223.44, 27,908.46 and 11,730.60 is: 16,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.44 : 27,908.46 = 11,730.60 : x
  2. Step 2: Convert to fraction form
    20,223.44/27,908.46 = 11,730.60/x
  3. Step 3: Cross multiply
    20,223.44x = 27,908.46 × 11,730.60
  4. Step 4: Simplify right side
    20,223.44x = 327,382,980.88
  5. Step 5: Solve for x
    x = 327,382,980.88/20,223.44
  6. Step 6: Final answer
    x = 16,188.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.