Home / 19,908.28-29,855.31-6,578.81

Finding the Fourth Proportional to 19,908.28, 29,855.31 and 6,578.81

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Solution

The fourth proportional to 19,908.28, 29,855.31 and 6,578.81 is: 9,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.28 : 29,855.31 = 6,578.81 : x
  2. Step 2: Convert to fraction form
    19,908.28/29,855.31 = 6,578.81/x
  3. Step 3: Cross multiply
    19,908.28x = 29,855.31 × 6,578.81
  4. Step 4: Simplify right side
    19,908.28x = 196,412,442.19
  5. Step 5: Solve for x
    x = 196,412,442.19/19,908.28
  6. Step 6: Final answer
    x = 9,865.87

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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.