Home / 21,863.63-32,828.24-12,514.20

Finding the Fourth Proportional to 21,863.63, 32,828.24 and 12,514.20

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Solution

The fourth proportional to 21,863.63, 32,828.24 and 12,514.20 is: 18,790.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863.63 : 32,828.24 = 12,514.20 : x
  2. Step 2: Convert to fraction form
    21,863.63/32,828.24 = 12,514.20/x
  3. Step 3: Cross multiply
    21,863.63x = 32,828.24 × 12,514.20
  4. Step 4: Simplify right side
    21,863.63x = 410,819,098.44
  5. Step 5: Solve for x
    x = 410,819,098.44/21,863.63
  6. Step 6: Final answer
    x = 18,790.07

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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.