Home / 19,963.01-29,939.40-5,919.75

Finding the Fourth Proportional to 19,963.01, 29,939.40 and 5,919.75

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Solution

The fourth proportional to 19,963.01, 29,939.40 and 5,919.75 is: 8,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.01 : 29,939.40 = 5,919.75 : x
  2. Step 2: Convert to fraction form
    19,963.01/29,939.40 = 5,919.75/x
  3. Step 3: Cross multiply
    19,963.01x = 29,939.40 × 5,919.75
  4. Step 4: Simplify right side
    19,963.01x = 177,233,763.15
  5. Step 5: Solve for x
    x = 177,233,763.15/19,963.01
  6. Step 6: Final answer
    x = 8,878.11

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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.