Home / 18,230.05-27,345.68-5,081.32

Finding the Fourth Proportional to 18,230.05, 27,345.68 and 5,081.32

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Solution

The fourth proportional to 18,230.05, 27,345.68 and 5,081.32 is: 7,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.05 : 27,345.68 = 5,081.32 : x
  2. Step 2: Convert to fraction form
    18,230.05/27,345.68 = 5,081.32/x
  3. Step 3: Cross multiply
    18,230.05x = 27,345.68 × 5,081.32
  4. Step 4: Simplify right side
    18,230.05x = 138,952,150.70
  5. Step 5: Solve for x
    x = 138,952,150.70/18,230.05
  6. Step 6: Final answer
    x = 7,622.15

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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.