Home / 18,098.93-27,131.58-7,012.86

Finding the Fourth Proportional to 18,098.93, 27,131.58 and 7,012.86

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Solution

The fourth proportional to 18,098.93, 27,131.58 and 7,012.86 is: 10,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.93 : 27,131.58 = 7,012.86 : x
  2. Step 2: Convert to fraction form
    18,098.93/27,131.58 = 7,012.86/x
  3. Step 3: Cross multiply
    18,098.93x = 27,131.58 × 7,012.86
  4. Step 4: Simplify right side
    18,098.93x = 190,269,972.12
  5. Step 5: Solve for x
    x = 190,269,972.12/18,098.93
  6. Step 6: Final answer
    x = 10,512.78

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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.