Home / 10,914.96-16,379.76-4,342.56

Finding the Fourth Proportional to 10,914.96, 16,379.76 and 4,342.56

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Solution

The fourth proportional to 10,914.96, 16,379.76 and 4,342.56 is: 6,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.96 : 16,379.76 = 4,342.56 : x
  2. Step 2: Convert to fraction form
    10,914.96/16,379.76 = 4,342.56/x
  3. Step 3: Cross multiply
    10,914.96x = 16,379.76 × 4,342.56
  4. Step 4: Simplify right side
    10,914.96x = 71,130,090.59
  5. Step 5: Solve for x
    x = 71,130,090.59/10,914.96
  6. Step 6: Final answer
    x = 6,516.75

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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.