Home / 13,189.30-19,771.96-4,863.52

Finding the Fourth Proportional to 13,189.30, 19,771.96 and 4,863.52

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Solution

The fourth proportional to 13,189.30, 19,771.96 and 4,863.52 is: 7,290.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.30 : 19,771.96 = 4,863.52 : x
  2. Step 2: Convert to fraction form
    13,189.30/19,771.96 = 4,863.52/x
  3. Step 3: Cross multiply
    13,189.30x = 19,771.96 × 4,863.52
  4. Step 4: Simplify right side
    13,189.30x = 96,161,322.90
  5. Step 5: Solve for x
    x = 96,161,322.90/13,189.30
  6. Step 6: Final answer
    x = 7,290.86

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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.