Home / 18,065.23-27,105.64-6,979.67

Finding the Fourth Proportional to 18,065.23, 27,105.64 and 6,979.67

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Solution

The fourth proportional to 18,065.23, 27,105.64 and 6,979.67 is: 10,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.23 : 27,105.64 = 6,979.67 : x
  2. Step 2: Convert to fraction form
    18,065.23/27,105.64 = 6,979.67/x
  3. Step 3: Cross multiply
    18,065.23x = 27,105.64 × 6,979.67
  4. Step 4: Simplify right side
    18,065.23x = 189,188,371.01
  5. Step 5: Solve for x
    x = 189,188,371.01/18,065.23
  6. Step 6: Final answer
    x = 10,472.52

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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.