Home / 11,182.05-16,772.13-4,942.17

Finding the Fourth Proportional to 11,182.05, 16,772.13 and 4,942.17

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Solution

The fourth proportional to 11,182.05, 16,772.13 and 4,942.17 is: 7,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.05 : 16,772.13 = 4,942.17 : x
  2. Step 2: Convert to fraction form
    11,182.05/16,772.13 = 4,942.17/x
  3. Step 3: Cross multiply
    11,182.05x = 16,772.13 × 4,942.17
  4. Step 4: Simplify right side
    11,182.05x = 82,890,717.72
  5. Step 5: Solve for x
    x = 82,890,717.72/11,182.05
  6. Step 6: Final answer
    x = 7,412.84

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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.