Home / 18,891.04-28,338.14-5,743.52

Finding the Fourth Proportional to 18,891.04, 28,338.14 and 5,743.52

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Solution

The fourth proportional to 18,891.04, 28,338.14 and 5,743.52 is: 8,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.04 : 28,338.14 = 5,743.52 : x
  2. Step 2: Convert to fraction form
    18,891.04/28,338.14 = 5,743.52/x
  3. Step 3: Cross multiply
    18,891.04x = 28,338.14 × 5,743.52
  4. Step 4: Simplify right side
    18,891.04x = 162,760,759.06
  5. Step 5: Solve for x
    x = 162,760,759.06/18,891.04
  6. Step 6: Final answer
    x = 8,615.77

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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.