Home / 11,243.80-16,857.60-7,350.40

Finding the Fourth Proportional to 11,243.80, 16,857.60 and 7,350.40

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Solution

The fourth proportional to 11,243.80, 16,857.60 and 7,350.40 is: 11,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.80 : 16,857.60 = 7,350.40 : x
  2. Step 2: Convert to fraction form
    11,243.80/16,857.60 = 7,350.40/x
  3. Step 3: Cross multiply
    11,243.80x = 16,857.60 × 7,350.40
  4. Step 4: Simplify right side
    11,243.80x = 123,910,103.04
  5. Step 5: Solve for x
    x = 123,910,103.04/11,243.80
  6. Step 6: Final answer
    x = 11,020.30

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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.