Home / 10,866.85-14,997.24-6,388.36

Finding the Fourth Proportional to 10,866.85, 14,997.24 and 6,388.36

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Solution

The fourth proportional to 10,866.85, 14,997.24 and 6,388.36 is: 8,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.85 : 14,997.24 = 6,388.36 : x
  2. Step 2: Convert to fraction form
    10,866.85/14,997.24 = 6,388.36/x
  3. Step 3: Cross multiply
    10,866.85x = 14,997.24 × 6,388.36
  4. Step 4: Simplify right side
    10,866.85x = 95,807,768.13
  5. Step 5: Solve for x
    x = 95,807,768.13/10,866.85
  6. Step 6: Final answer
    x = 8,816.52

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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.