Home / 21,375.12-32,074.76-11,514.16

Finding the Fourth Proportional to 21,375.12, 32,074.76 and 11,514.16

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Solution

The fourth proportional to 21,375.12, 32,074.76 and 11,514.16 is: 17,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.12 : 32,074.76 = 11,514.16 : x
  2. Step 2: Convert to fraction form
    21,375.12/32,074.76 = 11,514.16/x
  3. Step 3: Cross multiply
    21,375.12x = 32,074.76 × 11,514.16
  4. Step 4: Simplify right side
    21,375.12x = 369,313,918.60
  5. Step 5: Solve for x
    x = 369,313,918.60/21,375.12
  6. Step 6: Final answer
    x = 17,277.75

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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.