Home / 20,076.56-30,115.32-6,749.74

Finding the Fourth Proportional to 20,076.56, 30,115.32 and 6,749.74

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Solution

The fourth proportional to 20,076.56, 30,115.32 and 6,749.74 is: 10,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,076.56 : 30,115.32 = 6,749.74 : x
  2. Step 2: Convert to fraction form
    20,076.56/30,115.32 = 6,749.74/x
  3. Step 3: Cross multiply
    20,076.56x = 30,115.32 × 6,749.74
  4. Step 4: Simplify right side
    20,076.56x = 203,270,580.02
  5. Step 5: Solve for x
    x = 203,270,580.02/20,076.56
  6. Step 6: Final answer
    x = 10,124.77

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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.