Home / 20,608.32-30,914.56-5,817.39

Finding the Fourth Proportional to 20,608.32, 30,914.56 and 5,817.39

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Solution

The fourth proportional to 20,608.32, 30,914.56 and 5,817.39 is: 8,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.32 : 30,914.56 = 5,817.39 : x
  2. Step 2: Convert to fraction form
    20,608.32/30,914.56 = 5,817.39/x
  3. Step 3: Cross multiply
    20,608.32x = 30,914.56 × 5,817.39
  4. Step 4: Simplify right side
    20,608.32x = 179,841,943.54
  5. Step 5: Solve for x
    x = 179,841,943.54/20,608.32
  6. Step 6: Final answer
    x = 8,726.67

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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.