Home / 11,009.26-16,509.30-3,611.80

Finding the Fourth Proportional to 11,009.26, 16,509.30 and 3,611.80

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Solution

The fourth proportional to 11,009.26, 16,509.30 and 3,611.80 is: 5,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.26 : 16,509.30 = 3,611.80 : x
  2. Step 2: Convert to fraction form
    11,009.26/16,509.30 = 3,611.80/x
  3. Step 3: Cross multiply
    11,009.26x = 16,509.30 × 3,611.80
  4. Step 4: Simplify right side
    11,009.26x = 59,628,289.74
  5. Step 5: Solve for x
    x = 59,628,289.74/11,009.26
  6. Step 6: Final answer
    x = 5,416.19

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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.