Home / 20,542.55-30,818.43-6,503.41

Finding the Fourth Proportional to 20,542.55, 30,818.43 and 6,503.41

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Solution

The fourth proportional to 20,542.55, 30,818.43 and 6,503.41 is: 9,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.55 : 30,818.43 = 6,503.41 : x
  2. Step 2: Convert to fraction form
    20,542.55/30,818.43 = 6,503.41/x
  3. Step 3: Cross multiply
    20,542.55x = 30,818.43 × 6,503.41
  4. Step 4: Simplify right side
    20,542.55x = 200,424,808.80
  5. Step 5: Solve for x
    x = 200,424,808.80/20,542.55
  6. Step 6: Final answer
    x = 9,756.57

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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.