Home / 11,108.36-15,332.82-6,395.96

Finding the Fourth Proportional to 11,108.36, 15,332.82 and 6,395.96

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Solution

The fourth proportional to 11,108.36, 15,332.82 and 6,395.96 is: 8,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.36 : 15,332.82 = 6,395.96 : x
  2. Step 2: Convert to fraction form
    11,108.36/15,332.82 = 6,395.96/x
  3. Step 3: Cross multiply
    11,108.36x = 15,332.82 × 6,395.96
  4. Step 4: Simplify right side
    11,108.36x = 98,068,103.41
  5. Step 5: Solve for x
    x = 98,068,103.41/11,108.36
  6. Step 6: Final answer
    x = 8,828.32

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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.