Home / 21,514.85-32,272.31-6,723.85

Finding the Fourth Proportional to 21,514.85, 32,272.31 and 6,723.85

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Solution

The fourth proportional to 21,514.85, 32,272.31 and 6,723.85 is: 10,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514.85 : 32,272.31 = 6,723.85 : x
  2. Step 2: Convert to fraction form
    21,514.85/32,272.31 = 6,723.85/x
  3. Step 3: Cross multiply
    21,514.85x = 32,272.31 × 6,723.85
  4. Step 4: Simplify right side
    21,514.85x = 216,994,171.59
  5. Step 5: Solve for x
    x = 216,994,171.59/21,514.85
  6. Step 6: Final answer
    x = 10,085.79

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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.