Home / 11,385.46-17,082.29-3,991.05

Finding the Fourth Proportional to 11,385.46, 17,082.29 and 3,991.05

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Solution

The fourth proportional to 11,385.46, 17,082.29 and 3,991.05 is: 5,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.46 : 17,082.29 = 3,991.05 : x
  2. Step 2: Convert to fraction form
    11,385.46/17,082.29 = 3,991.05/x
  3. Step 3: Cross multiply
    11,385.46x = 17,082.29 × 3,991.05
  4. Step 4: Simplify right side
    11,385.46x = 68,176,235.44
  5. Step 5: Solve for x
    x = 68,176,235.44/11,385.46
  6. Step 6: Final answer
    x = 5,988.01

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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.