Home / 12,082.35-18,129.24-5,838.84

Finding the Fourth Proportional to 12,082.35, 18,129.24 and 5,838.84

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Solution

The fourth proportional to 12,082.35, 18,129.24 and 5,838.84 is: 8,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.35 : 18,129.24 = 5,838.84 : x
  2. Step 2: Convert to fraction form
    12,082.35/18,129.24 = 5,838.84/x
  3. Step 3: Cross multiply
    12,082.35x = 18,129.24 × 5,838.84
  4. Step 4: Simplify right side
    12,082.35x = 105,853,731.68
  5. Step 5: Solve for x
    x = 105,853,731.68/12,082.35
  6. Step 6: Final answer
    x = 8,761.02

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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.