Home / 12,162.84-18,245.70-4,262.94

Finding the Fourth Proportional to 12,162.84, 18,245.70 and 4,262.94

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Solution

The fourth proportional to 12,162.84, 18,245.70 and 4,262.94 is: 6,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.84 : 18,245.70 = 4,262.94 : x
  2. Step 2: Convert to fraction form
    12,162.84/18,245.70 = 4,262.94/x
  3. Step 3: Cross multiply
    12,162.84x = 18,245.70 × 4,262.94
  4. Step 4: Simplify right side
    12,162.84x = 77,780,324.36
  5. Step 5: Solve for x
    x = 77,780,324.36/12,162.84
  6. Step 6: Final answer
    x = 6,394.91

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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.