Home / 14,514.15-20,028.96-8,226.39

Finding the Fourth Proportional to 14,514.15, 20,028.96 and 8,226.39

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Solution

The fourth proportional to 14,514.15, 20,028.96 and 8,226.39 is: 11,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.15 : 20,028.96 = 8,226.39 : x
  2. Step 2: Convert to fraction form
    14,514.15/20,028.96 = 8,226.39/x
  3. Step 3: Cross multiply
    14,514.15x = 20,028.96 × 8,226.39
  4. Step 4: Simplify right side
    14,514.15x = 164,766,036.25
  5. Step 5: Solve for x
    x = 164,766,036.25/14,514.15
  6. Step 6: Final answer
    x = 11,352.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.