Home / 11,040.36-16,560.55-2,720.55

Finding the Fourth Proportional to 11,040.36, 16,560.55 and 2,720.55

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Solution

The fourth proportional to 11,040.36, 16,560.55 and 2,720.55 is: 4,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.36 : 16,560.55 = 2,720.55 : x
  2. Step 2: Convert to fraction form
    11,040.36/16,560.55 = 2,720.55/x
  3. Step 3: Cross multiply
    11,040.36x = 16,560.55 × 2,720.55
  4. Step 4: Simplify right side
    11,040.36x = 45,053,804.30
  5. Step 5: Solve for x
    x = 45,053,804.30/11,040.36
  6. Step 6: Final answer
    x = 4,080.83

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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.