Home / 11,209.62-15,467.83-6,734.16

Finding the Fourth Proportional to 11,209.62, 15,467.83 and 6,734.16

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Solution

The fourth proportional to 11,209.62, 15,467.83 and 6,734.16 is: 9,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.62 : 15,467.83 = 6,734.16 : x
  2. Step 2: Convert to fraction form
    11,209.62/15,467.83 = 6,734.16/x
  3. Step 3: Cross multiply
    11,209.62x = 15,467.83 × 6,734.16
  4. Step 4: Simplify right side
    11,209.62x = 104,162,842.07
  5. Step 5: Solve for x
    x = 104,162,842.07/11,209.62
  6. Step 6: Final answer
    x = 9,292.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.