Home / 11,405.93-17,108.37-3,910.15

Finding the Fourth Proportional to 11,405.93, 17,108.37 and 3,910.15

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Solution

The fourth proportional to 11,405.93, 17,108.37 and 3,910.15 is: 5,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.93 : 17,108.37 = 3,910.15 : x
  2. Step 2: Convert to fraction form
    11,405.93/17,108.37 = 3,910.15/x
  3. Step 3: Cross multiply
    11,405.93x = 17,108.37 × 3,910.15
  4. Step 4: Simplify right side
    11,405.93x = 66,896,292.96
  5. Step 5: Solve for x
    x = 66,896,292.96/11,405.93
  6. Step 6: Final answer
    x = 5,865.05

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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.