Home / 10,768.26-16,146.04-4,186.70

Finding the Fourth Proportional to 10,768.26, 16,146.04 and 4,186.70

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Solution

The fourth proportional to 10,768.26, 16,146.04 and 4,186.70 is: 6,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.26 : 16,146.04 = 4,186.70 : x
  2. Step 2: Convert to fraction form
    10,768.26/16,146.04 = 4,186.70/x
  3. Step 3: Cross multiply
    10,768.26x = 16,146.04 × 4,186.70
  4. Step 4: Simplify right side
    10,768.26x = 67,598,625.67
  5. Step 5: Solve for x
    x = 67,598,625.67/10,768.26
  6. Step 6: Final answer
    x = 6,277.58

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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.