Home / 10,845.81-16,262.55-4,268.43

Finding the Fourth Proportional to 10,845.81, 16,262.55 and 4,268.43

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Solution

The fourth proportional to 10,845.81, 16,262.55 and 4,268.43 is: 6,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.81 : 16,262.55 = 4,268.43 : x
  2. Step 2: Convert to fraction form
    10,845.81/16,262.55 = 4,268.43/x
  3. Step 3: Cross multiply
    10,845.81x = 16,262.55 × 4,268.43
  4. Step 4: Simplify right side
    10,845.81x = 69,415,556.30
  5. Step 5: Solve for x
    x = 69,415,556.30/10,845.81
  6. Step 6: Final answer
    x = 6,400.22

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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.