Home / 21,886.04-30,195.24-12,452.24

Finding the Fourth Proportional to 21,886.04, 30,195.24 and 12,452.24

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Solution

The fourth proportional to 21,886.04, 30,195.24 and 12,452.24 is: 17,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,886.04 : 30,195.24 = 12,452.24 : x
  2. Step 2: Convert to fraction form
    21,886.04/30,195.24 = 12,452.24/x
  3. Step 3: Cross multiply
    21,886.04x = 30,195.24 × 12,452.24
  4. Step 4: Simplify right side
    21,886.04x = 375,998,375.34
  5. Step 5: Solve for x
    x = 375,998,375.34/21,886.04
  6. Step 6: Final answer
    x = 17,179.83

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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.