Home / 13,384.07-20,076.64-3,524.34

Finding the Fourth Proportional to 13,384.07, 20,076.64 and 3,524.34

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Solution

The fourth proportional to 13,384.07, 20,076.64 and 3,524.34 is: 5,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,384.07 : 20,076.64 = 3,524.34 : x
  2. Step 2: Convert to fraction form
    13,384.07/20,076.64 = 3,524.34/x
  3. Step 3: Cross multiply
    13,384.07x = 20,076.64 × 3,524.34
  4. Step 4: Simplify right side
    13,384.07x = 70,756,905.42
  5. Step 5: Solve for x
    x = 70,756,905.42/13,384.07
  6. Step 6: Final answer
    x = 5,286.65

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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.