Home / 15,514.26-21,404.43-10,214.43

Finding the Fourth Proportional to 15,514.26, 21,404.43 and 10,214.43

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Solution

The fourth proportional to 15,514.26, 21,404.43 and 10,214.43 is: 14,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514.26 : 21,404.43 = 10,214.43 : x
  2. Step 2: Convert to fraction form
    15,514.26/21,404.43 = 10,214.43/x
  3. Step 3: Cross multiply
    15,514.26x = 21,404.43 × 10,214.43
  4. Step 4: Simplify right side
    15,514.26x = 218,634,051.92
  5. Step 5: Solve for x
    x = 218,634,051.92/15,514.26
  6. Step 6: Final answer
    x = 14,092.46

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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.