Home / 10,914.40-16,365.78-3,893.32

Finding the Fourth Proportional to 10,914.40, 16,365.78 and 3,893.32

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Solution

The fourth proportional to 10,914.40, 16,365.78 and 3,893.32 is: 5,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.40 : 16,365.78 = 3,893.32 : x
  2. Step 2: Convert to fraction form
    10,914.40/16,365.78 = 3,893.32/x
  3. Step 3: Cross multiply
    10,914.40x = 16,365.78 × 3,893.32
  4. Step 4: Simplify right side
    10,914.40x = 63,717,218.59
  5. Step 5: Solve for x
    x = 63,717,218.59/10,914.40
  6. Step 6: Final answer
    x = 5,837.90

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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.