Home / 20,088.56-30,137.24-7,608.67

Finding the Fourth Proportional to 20,088.56, 30,137.24 and 7,608.67

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Solution

The fourth proportional to 20,088.56, 30,137.24 and 7,608.67 is: 11,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,088.56 : 30,137.24 = 7,608.67 : x
  2. Step 2: Convert to fraction form
    20,088.56/30,137.24 = 7,608.67/x
  3. Step 3: Cross multiply
    20,088.56x = 30,137.24 × 7,608.67
  4. Step 4: Simplify right side
    20,088.56x = 229,304,313.87
  5. Step 5: Solve for x
    x = 229,304,313.87/20,088.56
  6. Step 6: Final answer
    x = 11,414.67

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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.