Home / 20,529.05-30,794.68-6,488.01

Finding the Fourth Proportional to 20,529.05, 30,794.68 and 6,488.01

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Solution

The fourth proportional to 20,529.05, 30,794.68 and 6,488.01 is: 9,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.05 : 30,794.68 = 6,488.01 : x
  2. Step 2: Convert to fraction form
    20,529.05/30,794.68 = 6,488.01/x
  3. Step 3: Cross multiply
    20,529.05x = 30,794.68 × 6,488.01
  4. Step 4: Simplify right side
    20,529.05x = 199,796,163.40
  5. Step 5: Solve for x
    x = 199,796,163.40/20,529.05
  6. Step 6: Final answer
    x = 9,732.36

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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.