Home / 13,983.68-20,975.52-13,282.96

Finding the Fourth Proportional to 13,983.68, 20,975.52 and 13,282.96

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Solution

The fourth proportional to 13,983.68, 20,975.52 and 13,282.96 is: 19,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.68 : 20,975.52 = 13,282.96 : x
  2. Step 2: Convert to fraction form
    13,983.68/20,975.52 = 13,282.96/x
  3. Step 3: Cross multiply
    13,983.68x = 20,975.52 × 13,282.96
  4. Step 4: Simplify right side
    13,983.68x = 278,616,993.14
  5. Step 5: Solve for x
    x = 278,616,993.14/13,983.68
  6. Step 6: Final answer
    x = 19,924.44

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1.5x scale

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.