Home / 10,839.85-16,261.08-3,818.42

Finding the Fourth Proportional to 10,839.85, 16,261.08 and 3,818.42

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Solution

The fourth proportional to 10,839.85, 16,261.08 and 3,818.42 is: 5,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.85 : 16,261.08 = 3,818.42 : x
  2. Step 2: Convert to fraction form
    10,839.85/16,261.08 = 3,818.42/x
  3. Step 3: Cross multiply
    10,839.85x = 16,261.08 × 3,818.42
  4. Step 4: Simplify right side
    10,839.85x = 62,091,633.09
  5. Step 5: Solve for x
    x = 62,091,633.09/10,839.85
  6. Step 6: Final answer
    x = 5,728.09

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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.