Home / 19,514.40-29,314.80-13,682.40

Finding the Fourth Proportional to 19,514.40, 29,314.80 and 13,682.40

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Solution

The fourth proportional to 19,514.40, 29,314.80 and 13,682.40 is: 20,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.40 : 29,314.80 = 13,682.40 : x
  2. Step 2: Convert to fraction form
    19,514.40/29,314.80 = 13,682.40/x
  3. Step 3: Cross multiply
    19,514.40x = 29,314.80 × 13,682.40
  4. Step 4: Simplify right side
    19,514.40x = 401,096,819.52
  5. Step 5: Solve for x
    x = 401,096,819.52/19,514.40
  6. Step 6: Final answer
    x = 20,553.89

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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.