Home / 14,650.47-21,975.71-4,121.61

Finding the Fourth Proportional to 14,650.47, 21,975.71 and 4,121.61

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Solution

The fourth proportional to 14,650.47, 21,975.71 and 4,121.61 is: 6,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.47 : 21,975.71 = 4,121.61 : x
  2. Step 2: Convert to fraction form
    14,650.47/21,975.71 = 4,121.61/x
  3. Step 3: Cross multiply
    14,650.47x = 21,975.71 × 4,121.61
  4. Step 4: Simplify right side
    14,650.47x = 90,575,306.09
  5. Step 5: Solve for x
    x = 90,575,306.09/14,650.47
  6. Step 6: Final answer
    x = 6,182.42

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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.