Home / 10,909.23-16,365.66-3,893.30

Finding the Fourth Proportional to 10,909.23, 16,365.66 and 3,893.30

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Solution

The fourth proportional to 10,909.23, 16,365.66 and 3,893.30 is: 5,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.23 : 16,365.66 = 3,893.30 : x
  2. Step 2: Convert to fraction form
    10,909.23/16,365.66 = 3,893.30/x
  3. Step 3: Cross multiply
    10,909.23x = 16,365.66 × 3,893.30
  4. Step 4: Simplify right side
    10,909.23x = 63,716,342.25
  5. Step 5: Solve for x
    x = 63,716,342.25/10,909.23
  6. Step 6: Final answer
    x = 5,840.59

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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.