Home / 11,721.90-17,584.91-7,565.93

Finding the Fourth Proportional to 11,721.90, 17,584.91 and 7,565.93

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Solution

The fourth proportional to 11,721.90, 17,584.91 and 7,565.93 is: 11,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.90 : 17,584.91 = 7,565.93 : x
  2. Step 2: Convert to fraction form
    11,721.90/17,584.91 = 7,565.93/x
  3. Step 3: Cross multiply
    11,721.90x = 17,584.91 × 7,565.93
  4. Step 4: Simplify right side
    11,721.90x = 133,046,072.36
  5. Step 5: Solve for x
    x = 133,046,072.36/11,721.90
  6. Step 6: Final answer
    x = 11,350.21

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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.