Home / 11,539.20-17,296.44-8,242.29

Finding the Fourth Proportional to 11,539.20, 17,296.44 and 8,242.29

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Solution

The fourth proportional to 11,539.20, 17,296.44 and 8,242.29 is: 12,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.20 : 17,296.44 = 8,242.29 : x
  2. Step 2: Convert to fraction form
    11,539.20/17,296.44 = 8,242.29/x
  3. Step 3: Cross multiply
    11,539.20x = 17,296.44 × 8,242.29
  4. Step 4: Simplify right side
    11,539.20x = 142,562,274.45
  5. Step 5: Solve for x
    x = 142,562,274.45/11,539.20
  6. Step 6: Final answer
    x = 12,354.61

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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.