Home / 13,627.28-20,405.94-8,933.42

Finding the Fourth Proportional to 13,627.28, 20,405.94 and 8,933.42

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Solution

The fourth proportional to 13,627.28, 20,405.94 and 8,933.42 is: 13,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.28 : 20,405.94 = 8,933.42 : x
  2. Step 2: Convert to fraction form
    13,627.28/20,405.94 = 8,933.42/x
  3. Step 3: Cross multiply
    13,627.28x = 20,405.94 × 8,933.42
  4. Step 4: Simplify right side
    13,627.28x = 182,294,832.51
  5. Step 5: Solve for x
    x = 182,294,832.51/13,627.28
  6. Step 6: Final answer
    x = 13,377.20

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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.