Home / 11,680.59-17,521.07-3,889.41

Finding the Fourth Proportional to 11,680.59, 17,521.07 and 3,889.41

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Solution

The fourth proportional to 11,680.59, 17,521.07 and 3,889.41 is: 5,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.59 : 17,521.07 = 3,889.41 : x
  2. Step 2: Convert to fraction form
    11,680.59/17,521.07 = 3,889.41/x
  3. Step 3: Cross multiply
    11,680.59x = 17,521.07 × 3,889.41
  4. Step 4: Simplify right side
    11,680.59x = 68,146,605.42
  5. Step 5: Solve for x
    x = 68,146,605.42/11,680.59
  6. Step 6: Final answer
    x = 5,834.17

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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.