Home / 13,177.32-19,764.24-3,690.30

Finding the Fourth Proportional to 13,177.32, 19,764.24 and 3,690.30

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Solution

The fourth proportional to 13,177.32, 19,764.24 and 3,690.30 is: 5,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.32 : 19,764.24 = 3,690.30 : x
  2. Step 2: Convert to fraction form
    13,177.32/19,764.24 = 3,690.30/x
  3. Step 3: Cross multiply
    13,177.32x = 19,764.24 × 3,690.30
  4. Step 4: Simplify right side
    13,177.32x = 72,935,974.87
  5. Step 5: Solve for x
    x = 72,935,974.87/13,177.32
  6. Step 6: Final answer
    x = 5,534.96

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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.