Home / 11,728.48-17,592.94-5,485.04

Finding the Fourth Proportional to 11,728.48, 17,592.94 and 5,485.04

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Solution

The fourth proportional to 11,728.48, 17,592.94 and 5,485.04 is: 8,227.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.48 : 17,592.94 = 5,485.04 : x
  2. Step 2: Convert to fraction form
    11,728.48/17,592.94 = 5,485.04/x
  3. Step 3: Cross multiply
    11,728.48x = 17,592.94 × 5,485.04
  4. Step 4: Simplify right side
    11,728.48x = 96,497,979.62
  5. Step 5: Solve for x
    x = 96,497,979.62/11,728.48
  6. Step 6: Final answer
    x = 8,227.66

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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.