Home / 11,157.56-16,736.40-3,762.09

Finding the Fourth Proportional to 11,157.56, 16,736.40 and 3,762.09

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Solution

The fourth proportional to 11,157.56, 16,736.40 and 3,762.09 is: 5,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.56 : 16,736.40 = 3,762.09 : x
  2. Step 2: Convert to fraction form
    11,157.56/16,736.40 = 3,762.09/x
  3. Step 3: Cross multiply
    11,157.56x = 16,736.40 × 3,762.09
  4. Step 4: Simplify right side
    11,157.56x = 62,963,759.39
  5. Step 5: Solve for x
    x = 62,963,759.39/11,157.56
  6. Step 6: Final answer
    x = 5,643.15

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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.