Home / 11,005.54-16,507.74-3,609.03

Finding the Fourth Proportional to 11,005.54, 16,507.74 and 3,609.03

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Solution

The fourth proportional to 11,005.54, 16,507.74 and 3,609.03 is: 5,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.54 : 16,507.74 = 3,609.03 : x
  2. Step 2: Convert to fraction form
    11,005.54/16,507.74 = 3,609.03/x
  3. Step 3: Cross multiply
    11,005.54x = 16,507.74 × 3,609.03
  4. Step 4: Simplify right side
    11,005.54x = 59,576,860.22
  5. Step 5: Solve for x
    x = 59,576,860.22/11,005.54
  6. Step 6: Final answer
    x = 5,413.35

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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.