Home / 14,182.14-21,270.47-5,414.97

Finding the Fourth Proportional to 14,182.14, 21,270.47 and 5,414.97

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Solution

The fourth proportional to 14,182.14, 21,270.47 and 5,414.97 is: 8,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.14 : 21,270.47 = 5,414.97 : x
  2. Step 2: Convert to fraction form
    14,182.14/21,270.47 = 5,414.97/x
  3. Step 3: Cross multiply
    14,182.14x = 21,270.47 × 5,414.97
  4. Step 4: Simplify right side
    14,182.14x = 115,178,929.86
  5. Step 5: Solve for x
    x = 115,178,929.86/14,182.14
  6. Step 6: Final answer
    x = 8,121.41

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1.5x scale

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.