Home / 14,454.20-21,486.26-14,028.54

Finding the Fourth Proportional to 14,454.20, 21,486.26 and 14,028.54

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Solution

The fourth proportional to 14,454.20, 21,486.26 and 14,028.54 is: 20,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.20 : 21,486.26 = 14,028.54 : x
  2. Step 2: Convert to fraction form
    14,454.20/21,486.26 = 14,028.54/x
  3. Step 3: Cross multiply
    14,454.20x = 21,486.26 × 14,028.54
  4. Step 4: Simplify right side
    14,454.20x = 301,420,857.86
  5. Step 5: Solve for x
    x = 301,420,857.86/14,454.20
  6. Step 6: Final answer
    x = 20,853.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.