Home / 19,930.05-29,895.08-9,396.61

Finding the Fourth Proportional to 19,930.05, 29,895.08 and 9,396.61

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Solution

The fourth proportional to 19,930.05, 29,895.08 and 9,396.61 is: 14,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.05 : 29,895.08 = 9,396.61 : x
  2. Step 2: Convert to fraction form
    19,930.05/29,895.08 = 9,396.61/x
  3. Step 3: Cross multiply
    19,930.05x = 29,895.08 × 9,396.61
  4. Step 4: Simplify right side
    19,930.05x = 280,912,285.96
  5. Step 5: Solve for x
    x = 280,912,285.96/19,930.05
  6. Step 6: Final answer
    x = 14,094.91

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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.