Home / 11,565.54-17,337.24-7,619.85

Finding the Fourth Proportional to 11,565.54, 17,337.24 and 7,619.85

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Solution

The fourth proportional to 11,565.54, 17,337.24 and 7,619.85 is: 11,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.54 : 17,337.24 = 7,619.85 : x
  2. Step 2: Convert to fraction form
    11,565.54/17,337.24 = 7,619.85/x
  3. Step 3: Cross multiply
    11,565.54x = 17,337.24 × 7,619.85
  4. Step 4: Simplify right side
    11,565.54x = 132,107,168.21
  5. Step 5: Solve for x
    x = 132,107,168.21/11,565.54
  6. Step 6: Final answer
    x = 11,422.48

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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.