Home / 20,247.08-30,371.70-6,395

Finding the Fourth Proportional to 20,247.08, 30,371.70 and 6,395

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Solution

The fourth proportional to 20,247.08, 30,371.70 and 6,395 is: 9,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.08 : 30,371.70 = 6,395 : x
  2. Step 2: Convert to fraction form
    20,247.08/30,371.70 = 6,395/x
  3. Step 3: Cross multiply
    20,247.08x = 30,371.70 × 6,395
  4. Step 4: Simplify right side
    20,247.08x = 194,227,021.50
  5. Step 5: Solve for x
    x = 194,227,021.50/20,247.08
  6. Step 6: Final answer
    x = 9,592.84

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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.