Home / 11,120.64-16,678.45-3,223.14

Finding the Fourth Proportional to 11,120.64, 16,678.45 and 3,223.14

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Solution

The fourth proportional to 11,120.64, 16,678.45 and 3,223.14 is: 4,833.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.64 : 16,678.45 = 3,223.14 : x
  2. Step 2: Convert to fraction form
    11,120.64/16,678.45 = 3,223.14/x
  3. Step 3: Cross multiply
    11,120.64x = 16,678.45 × 3,223.14
  4. Step 4: Simplify right side
    11,120.64x = 53,756,979.33
  5. Step 5: Solve for x
    x = 53,756,979.33/11,120.64
  6. Step 6: Final answer
    x = 4,833.98

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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.