Home / 19,943.31-29,918.25-7,467.69

Finding the Fourth Proportional to 19,943.31, 29,918.25 and 7,467.69

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Solution

The fourth proportional to 19,943.31, 29,918.25 and 7,467.69 is: 11,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.31 : 29,918.25 = 7,467.69 : x
  2. Step 2: Convert to fraction form
    19,943.31/29,918.25 = 7,467.69/x
  3. Step 3: Cross multiply
    19,943.31x = 29,918.25 × 7,467.69
  4. Step 4: Simplify right side
    19,943.31x = 223,420,216.34
  5. Step 5: Solve for x
    x = 223,420,216.34/19,943.31
  6. Step 6: Final answer
    x = 11,202.77

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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.