Home / 14,057.08-19,395.66-8,469.88

Finding the Fourth Proportional to 14,057.08, 19,395.66 and 8,469.88

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Solution

The fourth proportional to 14,057.08, 19,395.66 and 8,469.88 is: 11,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.08 : 19,395.66 = 8,469.88 : x
  2. Step 2: Convert to fraction form
    14,057.08/19,395.66 = 8,469.88/x
  3. Step 3: Cross multiply
    14,057.08x = 19,395.66 × 8,469.88
  4. Step 4: Simplify right side
    14,057.08x = 164,278,912.72
  5. Step 5: Solve for x
    x = 164,278,912.72/14,057.08
  6. Step 6: Final answer
    x = 11,686.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.