Home / 11,680.66-17,510.57-4,283.39

Finding the Fourth Proportional to 11,680.66, 17,510.57 and 4,283.39

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Solution

The fourth proportional to 11,680.66, 17,510.57 and 4,283.39 is: 6,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.66 : 17,510.57 = 4,283.39 : x
  2. Step 2: Convert to fraction form
    11,680.66/17,510.57 = 4,283.39/x
  3. Step 3: Cross multiply
    11,680.66x = 17,510.57 × 4,283.39
  4. Step 4: Simplify right side
    11,680.66x = 75,004,600.43
  5. Step 5: Solve for x
    x = 75,004,600.43/11,680.66
  6. Step 6: Final answer
    x = 6,421.26

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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.