Home / 18,120.06-27,231.93-8,892.54

Finding the Fourth Proportional to 18,120.06, 27,231.93 and 8,892.54

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Solution

The fourth proportional to 18,120.06, 27,231.93 and 8,892.54 is: 13,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.06 : 27,231.93 = 8,892.54 : x
  2. Step 2: Convert to fraction form
    18,120.06/27,231.93 = 8,892.54/x
  3. Step 3: Cross multiply
    18,120.06x = 27,231.93 × 8,892.54
  4. Step 4: Simplify right side
    18,120.06x = 242,161,026.80
  5. Step 5: Solve for x
    x = 242,161,026.80/18,120.06
  6. Step 6: Final answer
    x = 13,364.25

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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.