Home / 18,074.37-27,112.61-6,981.11

Finding the Fourth Proportional to 18,074.37, 27,112.61 and 6,981.11

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Solution

The fourth proportional to 18,074.37, 27,112.61 and 6,981.11 is: 10,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.37 : 27,112.61 = 6,981.11 : x
  2. Step 2: Convert to fraction form
    18,074.37/27,112.61 = 6,981.11/x
  3. Step 3: Cross multiply
    18,074.37x = 27,112.61 × 6,981.11
  4. Step 4: Simplify right side
    18,074.37x = 189,276,112.80
  5. Step 5: Solve for x
    x = 189,276,112.80/18,074.37
  6. Step 6: Final answer
    x = 10,472.07

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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.