Home / 14,004.72-21,007.32-4,143.98

Finding the Fourth Proportional to 14,004.72, 21,007.32 and 4,143.98

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Solution

The fourth proportional to 14,004.72, 21,007.32 and 4,143.98 is: 6,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.72 : 21,007.32 = 4,143.98 : x
  2. Step 2: Convert to fraction form
    14,004.72/21,007.32 = 4,143.98/x
  3. Step 3: Cross multiply
    14,004.72x = 21,007.32 × 4,143.98
  4. Step 4: Simplify right side
    14,004.72x = 87,053,913.93
  5. Step 5: Solve for x
    x = 87,053,913.93/14,004.72
  6. Step 6: Final answer
    x = 6,216.04

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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.