Home / 13,777.70-20,654.41-5,463.55

Finding the Fourth Proportional to 13,777.70, 20,654.41 and 5,463.55

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Solution

The fourth proportional to 13,777.70, 20,654.41 and 5,463.55 is: 8,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.70 : 20,654.41 = 5,463.55 : x
  2. Step 2: Convert to fraction form
    13,777.70/20,654.41 = 5,463.55/x
  3. Step 3: Cross multiply
    13,777.70x = 20,654.41 × 5,463.55
  4. Step 4: Simplify right side
    13,777.70x = 112,846,401.76
  5. Step 5: Solve for x
    x = 112,846,401.76/13,777.70
  6. Step 6: Final answer
    x = 8,190.51

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1.5x scale

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.