Home / 11,157.72-16,736.63-3,762.24

Finding the Fourth Proportional to 11,157.72, 16,736.63 and 3,762.24

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Solution

The fourth proportional to 11,157.72, 16,736.63 and 3,762.24 is: 5,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.72 : 16,736.63 = 3,762.24 : x
  2. Step 2: Convert to fraction form
    11,157.72/16,736.63 = 3,762.24/x
  3. Step 3: Cross multiply
    11,157.72x = 16,736.63 × 3,762.24
  4. Step 4: Simplify right side
    11,157.72x = 62,967,218.85
  5. Step 5: Solve for x
    x = 62,967,218.85/11,157.72
  6. Step 6: Final answer
    x = 5,643.38

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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.