Home / 11,223.70-16,837.80-3,326.20

Finding the Fourth Proportional to 11,223.70, 16,837.80 and 3,326.20

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Solution

The fourth proportional to 11,223.70, 16,837.80 and 3,326.20 is: 4,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.70 : 16,837.80 = 3,326.20 : x
  2. Step 2: Convert to fraction form
    11,223.70/16,837.80 = 3,326.20/x
  3. Step 3: Cross multiply
    11,223.70x = 16,837.80 × 3,326.20
  4. Step 4: Simplify right side
    11,223.70x = 56,005,890.36
  5. Step 5: Solve for x
    x = 56,005,890.36/11,223.70
  6. Step 6: Final answer
    x = 4,989.97

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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.