Home / 9,082.82-13,544.73-8,999.78

Finding the Fourth Proportional to 9,082.82, 13,544.73 and 8,999.78

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Solution

The fourth proportional to 9,082.82, 13,544.73 and 8,999.78 is: 13,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,082.82 : 13,544.73 = 8,999.78 : x
  2. Step 2: Convert to fraction form
    9,082.82/13,544.73 = 8,999.78/x
  3. Step 3: Cross multiply
    9,082.82x = 13,544.73 × 8,999.78
  4. Step 4: Simplify right side
    9,082.82x = 121,899,522.44
  5. Step 5: Solve for x
    x = 121,899,522.44/9,082.82
  6. Step 6: Final answer
    x = 13,420.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.