Home / 20,553.21-30,829.95-6,512.94

Finding the Fourth Proportional to 20,553.21, 30,829.95 and 6,512.94

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Solution

The fourth proportional to 20,553.21, 30,829.95 and 6,512.94 is: 9,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,553.21 : 30,829.95 = 6,512.94 : x
  2. Step 2: Convert to fraction form
    20,553.21/30,829.95 = 6,512.94/x
  3. Step 3: Cross multiply
    20,553.21x = 30,829.95 × 6,512.94
  4. Step 4: Simplify right side
    20,553.21x = 200,793,614.55
  5. Step 5: Solve for x
    x = 200,793,614.55/20,553.21
  6. Step 6: Final answer
    x = 9,769.45

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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.