Home / 12,739.44-17,586.36-8,497.56

Finding the Fourth Proportional to 12,739.44, 17,586.36 and 8,497.56

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Solution

The fourth proportional to 12,739.44, 17,586.36 and 8,497.56 is: 11,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739.44 : 17,586.36 = 8,497.56 : x
  2. Step 2: Convert to fraction form
    12,739.44/17,586.36 = 8,497.56/x
  3. Step 3: Cross multiply
    12,739.44x = 17,586.36 × 8,497.56
  4. Step 4: Simplify right side
    12,739.44x = 149,441,149.28
  5. Step 5: Solve for x
    x = 149,441,149.28/12,739.44
  6. Step 6: Final answer
    x = 11,730.59

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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.