Home / 11,388.76-17,084.95-4,815

Finding the Fourth Proportional to 11,388.76, 17,084.95 and 4,815

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Solution

The fourth proportional to 11,388.76, 17,084.95 and 4,815 is: 7,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.76 : 17,084.95 = 4,815 : x
  2. Step 2: Convert to fraction form
    11,388.76/17,084.95 = 4,815/x
  3. Step 3: Cross multiply
    11,388.76x = 17,084.95 × 4,815
  4. Step 4: Simplify right side
    11,388.76x = 82,264,022.21
  5. Step 5: Solve for x
    x = 82,264,022.21/11,388.76
  6. Step 6: Final answer
    x = 7,223.27

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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.