Home / 13,441.79-20,163.46-4,082.11

Finding the Fourth Proportional to 13,441.79, 20,163.46 and 4,082.11

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Solution

The fourth proportional to 13,441.79, 20,163.46 and 4,082.11 is: 6,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.79 : 20,163.46 = 4,082.11 : x
  2. Step 2: Convert to fraction form
    13,441.79/20,163.46 = 4,082.11/x
  3. Step 3: Cross multiply
    13,441.79x = 20,163.46 × 4,082.11
  4. Step 4: Simplify right side
    13,441.79x = 82,309,461.70
  5. Step 5: Solve for x
    x = 82,309,461.70/13,441.79
  6. Step 6: Final answer
    x = 6,123.40

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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.