Home / 11,650.80-17,435.16-7,270.32

Finding the Fourth Proportional to 11,650.80, 17,435.16 and 7,270.32

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Solution

The fourth proportional to 11,650.80, 17,435.16 and 7,270.32 is: 10,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.80 : 17,435.16 = 7,270.32 : x
  2. Step 2: Convert to fraction form
    11,650.80/17,435.16 = 7,270.32/x
  3. Step 3: Cross multiply
    11,650.80x = 17,435.16 × 7,270.32
  4. Step 4: Simplify right side
    11,650.80x = 126,759,192.45
  5. Step 5: Solve for x
    x = 126,759,192.45/11,650.80
  6. Step 6: Final answer
    x = 10,879.87

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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.