Home / 11,520.23-17,274.67-3,728.03

Finding the Fourth Proportional to 11,520.23, 17,274.67 and 3,728.03

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Solution

The fourth proportional to 11,520.23, 17,274.67 and 3,728.03 is: 5,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.23 : 17,274.67 = 3,728.03 : x
  2. Step 2: Convert to fraction form
    11,520.23/17,274.67 = 3,728.03/x
  3. Step 3: Cross multiply
    11,520.23x = 17,274.67 × 3,728.03
  4. Step 4: Simplify right side
    11,520.23x = 64,400,392.31
  5. Step 5: Solve for x
    x = 64,400,392.31/11,520.23
  6. Step 6: Final answer
    x = 5,590.20

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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.