Home / 11,040.64-16,557.44-3,643.72

Finding the Fourth Proportional to 11,040.64, 16,557.44 and 3,643.72

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Solution

The fourth proportional to 11,040.64, 16,557.44 and 3,643.72 is: 5,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.64 : 16,557.44 = 3,643.72 : x
  2. Step 2: Convert to fraction form
    11,040.64/16,557.44 = 3,643.72/x
  3. Step 3: Cross multiply
    11,040.64x = 16,557.44 × 3,643.72
  4. Step 4: Simplify right side
    11,040.64x = 60,330,675.28
  5. Step 5: Solve for x
    x = 60,330,675.28/11,040.64
  6. Step 6: Final answer
    x = 5,464.42

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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.