Home / 19,874.10-29,799.81-8,173.38

Finding the Fourth Proportional to 19,874.10, 29,799.81 and 8,173.38

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Solution

The fourth proportional to 19,874.10, 29,799.81 and 8,173.38 is: 12,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.10 : 29,799.81 = 8,173.38 : x
  2. Step 2: Convert to fraction form
    19,874.10/29,799.81 = 8,173.38/x
  3. Step 3: Cross multiply
    19,874.10x = 29,799.81 × 8,173.38
  4. Step 4: Simplify right side
    19,874.10x = 243,565,171.06
  5. Step 5: Solve for x
    x = 243,565,171.06/19,874.10
  6. Step 6: Final answer
    x = 12,255.41

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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.