Home / 14,286.23-21,423.33-5,400.06

Finding the Fourth Proportional to 14,286.23, 21,423.33 and 5,400.06

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Solution

The fourth proportional to 14,286.23, 21,423.33 and 5,400.06 is: 8,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286.23 : 21,423.33 = 5,400.06 : x
  2. Step 2: Convert to fraction form
    14,286.23/21,423.33 = 5,400.06/x
  3. Step 3: Cross multiply
    14,286.23x = 21,423.33 × 5,400.06
  4. Step 4: Simplify right side
    14,286.23x = 115,687,133.28
  5. Step 5: Solve for x
    x = 115,687,133.28/14,286.23
  6. Step 6: Final answer
    x = 8,097.81

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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.