Home / 19,557.48-29,336.22-7,872.36

Finding the Fourth Proportional to 19,557.48, 29,336.22 and 7,872.36

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Solution

The fourth proportional to 19,557.48, 29,336.22 and 7,872.36 is: 11,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.48 : 29,336.22 = 7,872.36 : x
  2. Step 2: Convert to fraction form
    19,557.48/29,336.22 = 7,872.36/x
  3. Step 3: Cross multiply
    19,557.48x = 29,336.22 × 7,872.36
  4. Step 4: Simplify right side
    19,557.48x = 230,945,284.88
  5. Step 5: Solve for x
    x = 230,945,284.88/19,557.48
  6. Step 6: Final answer
    x = 11,808.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.