Home / 12,517.06-18,735.27-8,609.86

Finding the Fourth Proportional to 12,517.06, 18,735.27 and 8,609.86

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Solution

The fourth proportional to 12,517.06, 18,735.27 and 8,609.86 is: 12,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.06 : 18,735.27 = 8,609.86 : x
  2. Step 2: Convert to fraction form
    12,517.06/18,735.27 = 8,609.86/x
  3. Step 3: Cross multiply
    12,517.06x = 18,735.27 × 8,609.86
  4. Step 4: Simplify right side
    12,517.06x = 161,308,051.76
  5. Step 5: Solve for x
    x = 161,308,051.76/12,517.06
  6. Step 6: Final answer
    x = 12,887.06

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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.