Home / 10,816.27-16,213.26-7,847.31

Finding the Fourth Proportional to 10,816.27, 16,213.26 and 7,847.31

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Solution

The fourth proportional to 10,816.27, 16,213.26 and 7,847.31 is: 11,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.27 : 16,213.26 = 7,847.31 : x
  2. Step 2: Convert to fraction form
    10,816.27/16,213.26 = 7,847.31/x
  3. Step 3: Cross multiply
    10,816.27x = 16,213.26 × 7,847.31
  4. Step 4: Simplify right side
    10,816.27x = 127,230,567.56
  5. Step 5: Solve for x
    x = 127,230,567.56/10,816.27
  6. Step 6: Final answer
    x = 11,762.89

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1.5x scale

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.