Home / 11,680.20-17,520.24-6,746.64

Finding the Fourth Proportional to 11,680.20, 17,520.24 and 6,746.64

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Solution

The fourth proportional to 11,680.20, 17,520.24 and 6,746.64 is: 10,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.20 : 17,520.24 = 6,746.64 : x
  2. Step 2: Convert to fraction form
    11,680.20/17,520.24 = 6,746.64/x
  3. Step 3: Cross multiply
    11,680.20x = 17,520.24 × 6,746.64
  4. Step 4: Simplify right side
    11,680.20x = 118,202,751.99
  5. Step 5: Solve for x
    x = 118,202,751.99/11,680.20
  6. Step 6: Final answer
    x = 10,119.93

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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.