Home / 13,892.28-20,838.36-3,504

Finding the Fourth Proportional to 13,892.28, 20,838.36 and 3,504

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Solution

The fourth proportional to 13,892.28, 20,838.36 and 3,504 is: 5,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.28 : 20,838.36 = 3,504 : x
  2. Step 2: Convert to fraction form
    13,892.28/20,838.36 = 3,504/x
  3. Step 3: Cross multiply
    13,892.28x = 20,838.36 × 3,504
  4. Step 4: Simplify right side
    13,892.28x = 73,017,613.44
  5. Step 5: Solve for x
    x = 73,017,613.44/13,892.28
  6. Step 6: Final answer
    x = 5,255.98

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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.