Home / 10,895.18-16,326.62-6,212.78

Finding the Fourth Proportional to 10,895.18, 16,326.62 and 6,212.78

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Solution

The fourth proportional to 10,895.18, 16,326.62 and 6,212.78 is: 9,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.18 : 16,326.62 = 6,212.78 : x
  2. Step 2: Convert to fraction form
    10,895.18/16,326.62 = 6,212.78/x
  3. Step 3: Cross multiply
    10,895.18x = 16,326.62 × 6,212.78
  4. Step 4: Simplify right side
    10,895.18x = 101,433,698.20
  5. Step 5: Solve for x
    x = 101,433,698.20/10,895.18
  6. Step 6: Final answer
    x = 9,309.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.