Home / 10,288.64-14,198.10-5,811.86

Finding the Fourth Proportional to 10,288.64, 14,198.10 and 5,811.86

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Solution

The fourth proportional to 10,288.64, 14,198.10 and 5,811.86 is: 8,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.64 : 14,198.10 = 5,811.86 : x
  2. Step 2: Convert to fraction form
    10,288.64/14,198.10 = 5,811.86/x
  3. Step 3: Cross multiply
    10,288.64x = 14,198.10 × 5,811.86
  4. Step 4: Simplify right side
    10,288.64x = 82,517,369.47
  5. Step 5: Solve for x
    x = 82,517,369.47/10,288.64
  6. Step 6: Final answer
    x = 8,020.24

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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.