Home / 15,743.91-21,729.57-9,033.93

Finding the Fourth Proportional to 15,743.91, 21,729.57 and 9,033.93

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Solution

The fourth proportional to 15,743.91, 21,729.57 and 9,033.93 is: 12,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.91 : 21,729.57 = 9,033.93 : x
  2. Step 2: Convert to fraction form
    15,743.91/21,729.57 = 9,033.93/x
  3. Step 3: Cross multiply
    15,743.91x = 21,729.57 × 9,033.93
  4. Step 4: Simplify right side
    15,743.91x = 196,303,414.31
  5. Step 5: Solve for x
    x = 196,303,414.31/15,743.91
  6. Step 6: Final answer
    x = 12,468.53

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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.