Home / 13,023.29-19,534.99-3,162.57

Finding the Fourth Proportional to 13,023.29, 19,534.99 and 3,162.57

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Solution

The fourth proportional to 13,023.29, 19,534.99 and 3,162.57 is: 4,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.29 : 19,534.99 = 3,162.57 : x
  2. Step 2: Convert to fraction form
    13,023.29/19,534.99 = 3,162.57/x
  3. Step 3: Cross multiply
    13,023.29x = 19,534.99 × 3,162.57
  4. Step 4: Simplify right side
    13,023.29x = 61,780,759.70
  5. Step 5: Solve for x
    x = 61,780,759.70/13,023.29
  6. Step 6: Final answer
    x = 4,743.87

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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.