Home / 13,918.60-20,877.18-3,530.44

Finding the Fourth Proportional to 13,918.60, 20,877.18 and 3,530.44

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Solution

The fourth proportional to 13,918.60, 20,877.18 and 3,530.44 is: 5,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.60 : 20,877.18 = 3,530.44 : x
  2. Step 2: Convert to fraction form
    13,918.60/20,877.18 = 3,530.44/x
  3. Step 3: Cross multiply
    13,918.60x = 20,877.18 × 3,530.44
  4. Step 4: Simplify right side
    13,918.60x = 73,705,631.36
  5. Step 5: Solve for x
    x = 73,705,631.36/13,918.60
  6. Step 6: Final answer
    x = 5,295.48

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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.