Home / 11,005.03-16,509.59-3,611.60

Finding the Fourth Proportional to 11,005.03, 16,509.59 and 3,611.60

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Solution

The fourth proportional to 11,005.03, 16,509.59 and 3,611.60 is: 5,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.03 : 16,509.59 = 3,611.60 : x
  2. Step 2: Convert to fraction form
    11,005.03/16,509.59 = 3,611.60/x
  3. Step 3: Cross multiply
    11,005.03x = 16,509.59 × 3,611.60
  4. Step 4: Simplify right side
    11,005.03x = 59,626,035.24
  5. Step 5: Solve for x
    x = 59,626,035.24/11,005.03
  6. Step 6: Final answer
    x = 5,418.07

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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.