Home / 20,448.14-30,622.97-13,854.33

Finding the Fourth Proportional to 20,448.14, 30,622.97 and 13,854.33

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Solution

The fourth proportional to 20,448.14, 30,622.97 and 13,854.33 is: 20,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.14 : 30,622.97 = 13,854.33 : x
  2. Step 2: Convert to fraction form
    20,448.14/30,622.97 = 13,854.33/x
  3. Step 3: Cross multiply
    20,448.14x = 30,622.97 × 13,854.33
  4. Step 4: Simplify right side
    20,448.14x = 424,260,766.60
  5. Step 5: Solve for x
    x = 424,260,766.60/20,448.14
  6. Step 6: Final answer
    x = 20,748.14

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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.