Home / 19,847.28-29,768.11-6,697.92

Finding the Fourth Proportional to 19,847.28, 29,768.11 and 6,697.92

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Solution

The fourth proportional to 19,847.28, 29,768.11 and 6,697.92 is: 10,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.28 : 29,768.11 = 6,697.92 : x
  2. Step 2: Convert to fraction form
    19,847.28/29,768.11 = 6,697.92/x
  3. Step 3: Cross multiply
    19,847.28x = 29,768.11 × 6,697.92
  4. Step 4: Simplify right side
    19,847.28x = 199,384,419.33
  5. Step 5: Solve for x
    x = 199,384,419.33/19,847.28
  6. Step 6: Final answer
    x = 10,045.93

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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.