Home / 11,539.70-17,297.19-8,242.79

Finding the Fourth Proportional to 11,539.70, 17,297.19 and 8,242.79

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Solution

The fourth proportional to 11,539.70, 17,297.19 and 8,242.79 is: 12,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.70 : 17,297.19 = 8,242.79 : x
  2. Step 2: Convert to fraction form
    11,539.70/17,297.19 = 8,242.79/x
  3. Step 3: Cross multiply
    11,539.70x = 17,297.19 × 8,242.79
  4. Step 4: Simplify right side
    11,539.70x = 142,577,104.76
  5. Step 5: Solve for x
    x = 142,577,104.76/11,539.70
  6. Step 6: Final answer
    x = 12,355.36

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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.