Home / 10,064.66-13,863.15-8,469.36

Finding the Fourth Proportional to 10,064.66, 13,863.15 and 8,469.36

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Solution

The fourth proportional to 10,064.66, 13,863.15 and 8,469.36 is: 11,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.66 : 13,863.15 = 8,469.36 : x
  2. Step 2: Convert to fraction form
    10,064.66/13,863.15 = 8,469.36/x
  3. Step 3: Cross multiply
    10,064.66x = 13,863.15 × 8,469.36
  4. Step 4: Simplify right side
    10,064.66x = 117,412,008.08
  5. Step 5: Solve for x
    x = 117,412,008.08/10,064.66
  6. Step 6: Final answer
    x = 11,665.78

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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.