Home / 11,910.93-17,865.63-3,591.23

Finding the Fourth Proportional to 11,910.93, 17,865.63 and 3,591.23

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Solution

The fourth proportional to 11,910.93, 17,865.63 and 3,591.23 is: 5,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.93 : 17,865.63 = 3,591.23 : x
  2. Step 2: Convert to fraction form
    11,910.93/17,865.63 = 3,591.23/x
  3. Step 3: Cross multiply
    11,910.93x = 17,865.63 × 3,591.23
  4. Step 4: Simplify right side
    11,910.93x = 64,159,497.10
  5. Step 5: Solve for x
    x = 64,159,497.10/11,910.93
  6. Step 6: Final answer
    x = 5,386.61

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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.