Home / 15,077.06-20,806.38-8,362.73

Finding the Fourth Proportional to 15,077.06, 20,806.38 and 8,362.73

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Solution

The fourth proportional to 15,077.06, 20,806.38 and 8,362.73 is: 11,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.06 : 20,806.38 = 8,362.73 : x
  2. Step 2: Convert to fraction form
    15,077.06/20,806.38 = 8,362.73/x
  3. Step 3: Cross multiply
    15,077.06x = 20,806.38 × 8,362.73
  4. Step 4: Simplify right side
    15,077.06x = 173,998,034.19
  5. Step 5: Solve for x
    x = 173,998,034.19/15,077.06
  6. Step 6: Final answer
    x = 11,540.58

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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.