Home / 19,288.97-28,933.14-6,141.15

Finding the Fourth Proportional to 19,288.97, 28,933.14 and 6,141.15

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Solution

The fourth proportional to 19,288.97, 28,933.14 and 6,141.15 is: 9,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.97 : 28,933.14 = 6,141.15 : x
  2. Step 2: Convert to fraction form
    19,288.97/28,933.14 = 6,141.15/x
  3. Step 3: Cross multiply
    19,288.97x = 28,933.14 × 6,141.15
  4. Step 4: Simplify right side
    19,288.97x = 177,682,752.71
  5. Step 5: Solve for x
    x = 177,682,752.71/19,288.97
  6. Step 6: Final answer
    x = 9,211.63

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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.