Home / 20,167.92-30,251.88-6,318

Finding the Fourth Proportional to 20,167.92, 30,251.88 and 6,318

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Solution

The fourth proportional to 20,167.92, 30,251.88 and 6,318 is: 9,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.92 : 30,251.88 = 6,318 : x
  2. Step 2: Convert to fraction form
    20,167.92/30,251.88 = 6,318/x
  3. Step 3: Cross multiply
    20,167.92x = 30,251.88 × 6,318
  4. Step 4: Simplify right side
    20,167.92x = 191,131,377.84
  5. Step 5: Solve for x
    x = 191,131,377.84/20,167.92
  6. Step 6: Final answer
    x = 9,477.00

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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.