Home / 12,057.89-18,082.39-4,158.38

Finding the Fourth Proportional to 12,057.89, 18,082.39 and 4,158.38

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Solution

The fourth proportional to 12,057.89, 18,082.39 and 4,158.38 is: 6,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.89 : 18,082.39 = 4,158.38 : x
  2. Step 2: Convert to fraction form
    12,057.89/18,082.39 = 4,158.38/x
  3. Step 3: Cross multiply
    12,057.89x = 18,082.39 × 4,158.38
  4. Step 4: Simplify right side
    12,057.89x = 75,193,364.39
  5. Step 5: Solve for x
    x = 75,193,364.39/12,057.89
  6. Step 6: Final answer
    x = 6,236.03

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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.