Home / 14,265.99-19,687.19-7,892.48

Finding the Fourth Proportional to 14,265.99, 19,687.19 and 7,892.48

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Solution

The fourth proportional to 14,265.99, 19,687.19 and 7,892.48 is: 10,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.99 : 19,687.19 = 7,892.48 : x
  2. Step 2: Convert to fraction form
    14,265.99/19,687.19 = 7,892.48/x
  3. Step 3: Cross multiply
    14,265.99x = 19,687.19 × 7,892.48
  4. Step 4: Simplify right side
    14,265.99x = 155,380,763.09
  5. Step 5: Solve for x
    x = 155,380,763.09/14,265.99
  6. Step 6: Final answer
    x = 10,891.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.