Home / 19,890.54-29,834.24-11,565.24

Finding the Fourth Proportional to 19,890.54, 29,834.24 and 11,565.24

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Solution

The fourth proportional to 19,890.54, 29,834.24 and 11,565.24 is: 17,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890.54 : 29,834.24 = 11,565.24 : x
  2. Step 2: Convert to fraction form
    19,890.54/29,834.24 = 11,565.24/x
  3. Step 3: Cross multiply
    19,890.54x = 29,834.24 × 11,565.24
  4. Step 4: Simplify right side
    19,890.54x = 345,040,145.82
  5. Step 5: Solve for x
    x = 345,040,145.82/19,890.54
  6. Step 6: Final answer
    x = 17,346.95

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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.