Home / 13,837.29-20,756.87-3,976.35

Finding the Fourth Proportional to 13,837.29, 20,756.87 and 3,976.35

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Solution

The fourth proportional to 13,837.29, 20,756.87 and 3,976.35 is: 5,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.29 : 20,756.87 = 3,976.35 : x
  2. Step 2: Convert to fraction form
    13,837.29/20,756.87 = 3,976.35/x
  3. Step 3: Cross multiply
    13,837.29x = 20,756.87 × 3,976.35
  4. Step 4: Simplify right side
    13,837.29x = 82,536,580.02
  5. Step 5: Solve for x
    x = 82,536,580.02/13,837.29
  6. Step 6: Final answer
    x = 5,964.79

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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.