Home / 12,584.80-17,370.89-8,108.54

Finding the Fourth Proportional to 12,584.80, 17,370.89 and 8,108.54

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Solution

The fourth proportional to 12,584.80, 17,370.89 and 8,108.54 is: 11,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.80 : 17,370.89 = 8,108.54 : x
  2. Step 2: Convert to fraction form
    12,584.80/17,370.89 = 8,108.54/x
  3. Step 3: Cross multiply
    12,584.80x = 17,370.89 × 8,108.54
  4. Step 4: Simplify right side
    12,584.80x = 140,852,489.82
  5. Step 5: Solve for x
    x = 140,852,489.82/12,584.80
  6. Step 6: Final answer
    x = 11,192.27

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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.