Home / 19,514.81-29,272.21-4,723.73

Finding the Fourth Proportional to 19,514.81, 29,272.21 and 4,723.73

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Solution

The fourth proportional to 19,514.81, 29,272.21 and 4,723.73 is: 7,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,514.81 : 29,272.21 = 4,723.73 : x
  2. Step 2: Convert to fraction form
    19,514.81/29,272.21 = 4,723.73/x
  3. Step 3: Cross multiply
    19,514.81x = 29,272.21 × 4,723.73
  4. Step 4: Simplify right side
    19,514.81x = 138,273,968.14
  5. Step 5: Solve for x
    x = 138,273,968.14/19,514.81
  6. Step 6: Final answer
    x = 7,085.59

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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.