Home / 11,040.36-16,561.08-3,643.44

Finding the Fourth Proportional to 11,040.36, 16,561.08 and 3,643.44

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Solution

The fourth proportional to 11,040.36, 16,561.08 and 3,643.44 is: 5,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.36 : 16,561.08 = 3,643.44 : x
  2. Step 2: Convert to fraction form
    11,040.36/16,561.08 = 3,643.44/x
  3. Step 3: Cross multiply
    11,040.36x = 16,561.08 × 3,643.44
  4. Step 4: Simplify right side
    11,040.36x = 60,339,301.32
  5. Step 5: Solve for x
    x = 60,339,301.32/11,040.36
  6. Step 6: Final answer
    x = 5,465.34

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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.