Home / 11,220.51-16,836.92-4,205.37

Finding the Fourth Proportional to 11,220.51, 16,836.92 and 4,205.37

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Solution

The fourth proportional to 11,220.51, 16,836.92 and 4,205.37 is: 6,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.51 : 16,836.92 = 4,205.37 : x
  2. Step 2: Convert to fraction form
    11,220.51/16,836.92 = 4,205.37/x
  3. Step 3: Cross multiply
    11,220.51x = 16,836.92 × 4,205.37
  4. Step 4: Simplify right side
    11,220.51x = 70,805,478.26
  5. Step 5: Solve for x
    x = 70,805,478.26/11,220.51
  6. Step 6: Final answer
    x = 6,310.36

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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.