Home / 19,851.14-29,788.38-7,379.93

Finding the Fourth Proportional to 19,851.14, 29,788.38 and 7,379.93

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Solution

The fourth proportional to 19,851.14, 29,788.38 and 7,379.93 is: 11,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.14 : 29,788.38 = 7,379.93 : x
  2. Step 2: Convert to fraction form
    19,851.14/29,788.38 = 7,379.93/x
  3. Step 3: Cross multiply
    19,851.14x = 29,788.38 × 7,379.93
  4. Step 4: Simplify right side
    19,851.14x = 219,836,010.27
  5. Step 5: Solve for x
    x = 219,836,010.27/19,851.14
  6. Step 6: Final answer
    x = 11,074.23

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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.