Home / 13,902.68-20,854.09-3,514.44

Finding the Fourth Proportional to 13,902.68, 20,854.09 and 3,514.44

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Solution

The fourth proportional to 13,902.68, 20,854.09 and 3,514.44 is: 5,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.68 : 20,854.09 = 3,514.44 : x
  2. Step 2: Convert to fraction form
    13,902.68/20,854.09 = 3,514.44/x
  3. Step 3: Cross multiply
    13,902.68x = 20,854.09 × 3,514.44
  4. Step 4: Simplify right side
    13,902.68x = 73,290,448.06
  5. Step 5: Solve for x
    x = 73,290,448.06/13,902.68
  6. Step 6: Final answer
    x = 5,271.68

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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.