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Finding the Fourth Proportional to 20,595.82, 30,894.82 and 6,554.88

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Solution

The fourth proportional to 20,595.82, 30,894.82 and 6,554.88 is: 9,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.82 : 30,894.82 = 6,554.88 : x
  2. Step 2: Convert to fraction form
    20,595.82/30,894.82 = 6,554.88/x
  3. Step 3: Cross multiply
    20,595.82x = 30,894.82 × 6,554.88
  4. Step 4: Simplify right side
    20,595.82x = 202,511,837.72
  5. Step 5: Solve for x
    x = 202,511,837.72/20,595.82
  6. Step 6: Final answer
    x = 9,832.67

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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.