Home / 18,069.68-27,112.73-10,688.56

Finding the Fourth Proportional to 18,069.68, 27,112.73 and 10,688.56

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Solution

The fourth proportional to 18,069.68, 27,112.73 and 10,688.56 is: 16,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.68 : 27,112.73 = 10,688.56 : x
  2. Step 2: Convert to fraction form
    18,069.68/27,112.73 = 10,688.56/x
  3. Step 3: Cross multiply
    18,069.68x = 27,112.73 × 10,688.56
  4. Step 4: Simplify right side
    18,069.68x = 289,795,920.14
  5. Step 5: Solve for x
    x = 289,795,920.14/18,069.68
  6. Step 6: Final answer
    x = 16,037.69

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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.