Home / 19,538.60-29,309.27-7,851.83

Finding the Fourth Proportional to 19,538.60, 29,309.27 and 7,851.83

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Solution

The fourth proportional to 19,538.60, 29,309.27 and 7,851.83 is: 11,778.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.60 : 29,309.27 = 7,851.83 : x
  2. Step 2: Convert to fraction form
    19,538.60/29,309.27 = 7,851.83/x
  3. Step 3: Cross multiply
    19,538.60x = 29,309.27 × 7,851.83
  4. Step 4: Simplify right side
    19,538.60x = 230,131,219.66
  5. Step 5: Solve for x
    x = 230,131,219.66/19,538.60
  6. Step 6: Final answer
    x = 11,778.29

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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.