Home / 11,040.30-16,560.45-3,642.75

Finding the Fourth Proportional to 11,040.30, 16,560.45 and 3,642.75

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Solution

The fourth proportional to 11,040.30, 16,560.45 and 3,642.75 is: 5,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.30 : 16,560.45 = 3,642.75 : x
  2. Step 2: Convert to fraction form
    11,040.30/16,560.45 = 3,642.75/x
  3. Step 3: Cross multiply
    11,040.30x = 16,560.45 × 3,642.75
  4. Step 4: Simplify right side
    11,040.30x = 60,325,579.24
  5. Step 5: Solve for x
    x = 60,325,579.24/11,040.30
  6. Step 6: Final answer
    x = 5,464.13

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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.