Home / 12,968.32-19,445.58-4,082

Finding the Fourth Proportional to 12,968.32, 19,445.58 and 4,082

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Solution

The fourth proportional to 12,968.32, 19,445.58 and 4,082 is: 6,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.32 : 19,445.58 = 4,082 : x
  2. Step 2: Convert to fraction form
    12,968.32/19,445.58 = 4,082/x
  3. Step 3: Cross multiply
    12,968.32x = 19,445.58 × 4,082
  4. Step 4: Simplify right side
    12,968.32x = 79,376,857.56
  5. Step 5: Solve for x
    x = 79,376,857.56/12,968.32
  6. Step 6: Final answer
    x = 6,120.83

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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.