Home / 11,400.10-17,102.79-3,608.91

Finding the Fourth Proportional to 11,400.10, 17,102.79 and 3,608.91

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Solution

The fourth proportional to 11,400.10, 17,102.79 and 3,608.91 is: 5,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.10 : 17,102.79 = 3,608.91 : x
  2. Step 2: Convert to fraction form
    11,400.10/17,102.79 = 3,608.91/x
  3. Step 3: Cross multiply
    11,400.10x = 17,102.79 × 3,608.91
  4. Step 4: Simplify right side
    11,400.10x = 61,722,480.46
  5. Step 5: Solve for x
    x = 61,722,480.46/11,400.10
  6. Step 6: Final answer
    x = 5,414.20

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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.