Home / 19,973.81-29,961.17-5,183.31

Finding the Fourth Proportional to 19,973.81, 29,961.17 and 5,183.31

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Solution

The fourth proportional to 19,973.81, 29,961.17 and 5,183.31 is: 7,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,973.81 : 29,961.17 = 5,183.31 : x
  2. Step 2: Convert to fraction form
    19,973.81/29,961.17 = 5,183.31/x
  3. Step 3: Cross multiply
    19,973.81x = 29,961.17 × 5,183.31
  4. Step 4: Simplify right side
    19,973.81x = 155,297,998.57
  5. Step 5: Solve for x
    x = 155,297,998.57/19,973.81
  6. Step 6: Final answer
    x = 7,775.08

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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.