Home / 20,077.37-27,705.60-11,124.34

Finding the Fourth Proportional to 20,077.37, 27,705.60 and 11,124.34

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Solution

The fourth proportional to 20,077.37, 27,705.60 and 11,124.34 is: 15,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077.37 : 27,705.60 = 11,124.34 : x
  2. Step 2: Convert to fraction form
    20,077.37/27,705.60 = 11,124.34/x
  3. Step 3: Cross multiply
    20,077.37x = 27,705.60 × 11,124.34
  4. Step 4: Simplify right side
    20,077.37x = 308,206,375.78
  5. Step 5: Solve for x
    x = 308,206,375.78/20,077.37
  6. Step 6: Final answer
    x = 15,350.93

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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.