Home / 10,861.86-16,283.55-4,292.66

Finding the Fourth Proportional to 10,861.86, 16,283.55 and 4,292.66

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Solution

The fourth proportional to 10,861.86, 16,283.55 and 4,292.66 is: 6,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.86 : 16,283.55 = 4,292.66 : x
  2. Step 2: Convert to fraction form
    10,861.86/16,283.55 = 4,292.66/x
  3. Step 3: Cross multiply
    10,861.86x = 16,283.55 × 4,292.66
  4. Step 4: Simplify right side
    10,861.86x = 69,899,662.33
  5. Step 5: Solve for x
    x = 69,899,662.33/10,861.86
  6. Step 6: Final answer
    x = 6,435.33

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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.