Home / 14,104.26-21,151.53-5,781.92

Finding the Fourth Proportional to 14,104.26, 21,151.53 and 5,781.92

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Solution

The fourth proportional to 14,104.26, 21,151.53 and 5,781.92 is: 8,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.26 : 21,151.53 = 5,781.92 : x
  2. Step 2: Convert to fraction form
    14,104.26/21,151.53 = 5,781.92/x
  3. Step 3: Cross multiply
    14,104.26x = 21,151.53 × 5,781.92
  4. Step 4: Simplify right side
    14,104.26x = 122,296,348.58
  5. Step 5: Solve for x
    x = 122,296,348.58/14,104.26
  6. Step 6: Final answer
    x = 8,670.88

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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.