Home / 14,223.85-21,336.27-5,338.28

Finding the Fourth Proportional to 14,223.85, 21,336.27 and 5,338.28

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Solution

The fourth proportional to 14,223.85, 21,336.27 and 5,338.28 is: 8,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.85 : 21,336.27 = 5,338.28 : x
  2. Step 2: Convert to fraction form
    14,223.85/21,336.27 = 5,338.28/x
  3. Step 3: Cross multiply
    14,223.85x = 21,336.27 × 5,338.28
  4. Step 4: Simplify right side
    14,223.85x = 113,898,983.42
  5. Step 5: Solve for x
    x = 113,898,983.42/14,223.85
  6. Step 6: Final answer
    x = 8,007.61

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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.