Home / 11,775.52-17,664.92-3,982.24

Finding the Fourth Proportional to 11,775.52, 17,664.92 and 3,982.24

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Solution

The fourth proportional to 11,775.52, 17,664.92 and 3,982.24 is: 5,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.52 : 17,664.92 = 3,982.24 : x
  2. Step 2: Convert to fraction form
    11,775.52/17,664.92 = 3,982.24/x
  3. Step 3: Cross multiply
    11,775.52x = 17,664.92 × 3,982.24
  4. Step 4: Simplify right side
    11,775.52x = 70,345,951.02
  5. Step 5: Solve for x
    x = 70,345,951.02/11,775.52
  6. Step 6: Final answer
    x = 5,973.91

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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.