Home / 13,604.62-20,399.01-5,274.91

Finding the Fourth Proportional to 13,604.62, 20,399.01 and 5,274.91

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Solution

The fourth proportional to 13,604.62, 20,399.01 and 5,274.91 is: 7,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.62 : 20,399.01 = 5,274.91 : x
  2. Step 2: Convert to fraction form
    13,604.62/20,399.01 = 5,274.91/x
  3. Step 3: Cross multiply
    13,604.62x = 20,399.01 × 5,274.91
  4. Step 4: Simplify right side
    13,604.62x = 107,602,917.76
  5. Step 5: Solve for x
    x = 107,602,917.76/13,604.62
  6. Step 6: Final answer
    x = 7,909.29

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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.