Home / 18,155.05-27,233.94-5,007.30

Finding the Fourth Proportional to 18,155.05, 27,233.94 and 5,007.30

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Solution

The fourth proportional to 18,155.05, 27,233.94 and 5,007.30 is: 7,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.05 : 27,233.94 = 5,007.30 : x
  2. Step 2: Convert to fraction form
    18,155.05/27,233.94 = 5,007.30/x
  3. Step 3: Cross multiply
    18,155.05x = 27,233.94 × 5,007.30
  4. Step 4: Simplify right side
    18,155.05x = 136,368,346.56
  5. Step 5: Solve for x
    x = 136,368,346.56/18,155.05
  6. Step 6: Final answer
    x = 7,511.32

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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.