Home / 20,206.45-30,308.94-6,165.91

Finding the Fourth Proportional to 20,206.45, 30,308.94 and 6,165.91

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Solution

The fourth proportional to 20,206.45, 30,308.94 and 6,165.91 is: 9,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.45 : 30,308.94 = 6,165.91 : x
  2. Step 2: Convert to fraction form
    20,206.45/30,308.94 = 6,165.91/x
  3. Step 3: Cross multiply
    20,206.45x = 30,308.94 × 6,165.91
  4. Step 4: Simplify right side
    20,206.45x = 186,882,044.69
  5. Step 5: Solve for x
    x = 186,882,044.69/20,206.45
  6. Step 6: Final answer
    x = 9,248.64

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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.