Home / 11,139.93-16,693.49-6,202.78

Finding the Fourth Proportional to 11,139.93, 16,693.49 and 6,202.78

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Solution

The fourth proportional to 11,139.93, 16,693.49 and 6,202.78 is: 9,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.93 : 16,693.49 = 6,202.78 : x
  2. Step 2: Convert to fraction form
    11,139.93/16,693.49 = 6,202.78/x
  3. Step 3: Cross multiply
    11,139.93x = 16,693.49 × 6,202.78
  4. Step 4: Simplify right side
    11,139.93x = 103,546,019.68
  5. Step 5: Solve for x
    x = 103,546,019.68/11,139.93
  6. Step 6: Final answer
    x = 9,295.03

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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.