Home / 12,104.92-18,156.91-3,339.60

Finding the Fourth Proportional to 12,104.92, 18,156.91 and 3,339.60

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Solution

The fourth proportional to 12,104.92, 18,156.91 and 3,339.60 is: 5,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.92 : 18,156.91 = 3,339.60 : x
  2. Step 2: Convert to fraction form
    12,104.92/18,156.91 = 3,339.60/x
  3. Step 3: Cross multiply
    12,104.92x = 18,156.91 × 3,339.60
  4. Step 4: Simplify right side
    12,104.92x = 60,636,816.64
  5. Step 5: Solve for x
    x = 60,636,816.64/12,104.92
  6. Step 6: Final answer
    x = 5,009.27

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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.