Home / 19,583.20-29,375.16-7,888.36

Finding the Fourth Proportional to 19,583.20, 29,375.16 and 7,888.36

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Solution

The fourth proportional to 19,583.20, 29,375.16 and 7,888.36 is: 11,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,583.20 : 29,375.16 = 7,888.36 : x
  2. Step 2: Convert to fraction form
    19,583.20/29,375.16 = 7,888.36/x
  3. Step 3: Cross multiply
    19,583.20x = 29,375.16 × 7,888.36
  4. Step 4: Simplify right side
    19,583.20x = 231,721,837.14
  5. Step 5: Solve for x
    x = 231,721,837.14/19,583.20
  6. Step 6: Final answer
    x = 11,832.69

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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.