Home / 13,837.68-20,764.08-5,522.40

Finding the Fourth Proportional to 13,837.68, 20,764.08 and 5,522.40

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Solution

The fourth proportional to 13,837.68, 20,764.08 and 5,522.40 is: 8,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.68 : 20,764.08 = 5,522.40 : x
  2. Step 2: Convert to fraction form
    13,837.68/20,764.08 = 5,522.40/x
  3. Step 3: Cross multiply
    13,837.68x = 20,764.08 × 5,522.40
  4. Step 4: Simplify right side
    13,837.68x = 114,667,555.39
  5. Step 5: Solve for x
    x = 114,667,555.39/13,837.68
  6. Step 6: Final answer
    x = 8,286.62

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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.