Home / 13,082.85-19,625.36-5,687.55

Finding the Fourth Proportional to 13,082.85, 19,625.36 and 5,687.55

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Solution

The fourth proportional to 13,082.85, 19,625.36 and 5,687.55 is: 8,531.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.85 : 19,625.36 = 5,687.55 : x
  2. Step 2: Convert to fraction form
    13,082.85/19,625.36 = 5,687.55/x
  3. Step 3: Cross multiply
    13,082.85x = 19,625.36 × 5,687.55
  4. Step 4: Simplify right side
    13,082.85x = 111,620,187.83
  5. Step 5: Solve for x
    x = 111,620,187.83/13,082.85
  6. Step 6: Final answer
    x = 8,531.79

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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.