Home / 19,697.83-29,512.68-13,274.44

Finding the Fourth Proportional to 19,697.83, 29,512.68 and 13,274.44

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Solution

The fourth proportional to 19,697.83, 29,512.68 and 13,274.44 is: 19,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.83 : 29,512.68 = 13,274.44 : x
  2. Step 2: Convert to fraction form
    19,697.83/29,512.68 = 13,274.44/x
  3. Step 3: Cross multiply
    19,697.83x = 29,512.68 × 13,274.44
  4. Step 4: Simplify right side
    19,697.83x = 391,764,299.90
  5. Step 5: Solve for x
    x = 391,764,299.90/19,697.83
  6. Step 6: Final answer
    x = 19,888.70

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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.