Home / 13,177.56-19,765.11-3,690.73

Finding the Fourth Proportional to 13,177.56, 19,765.11 and 3,690.73

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Solution

The fourth proportional to 13,177.56, 19,765.11 and 3,690.73 is: 5,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.56 : 19,765.11 = 3,690.73 : x
  2. Step 2: Convert to fraction form
    13,177.56/19,765.11 = 3,690.73/x
  3. Step 3: Cross multiply
    13,177.56x = 19,765.11 × 3,690.73
  4. Step 4: Simplify right side
    13,177.56x = 72,947,675.20
  5. Step 5: Solve for x
    x = 72,947,675.20/13,177.56
  6. Step 6: Final answer
    x = 5,535.75

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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.