Home / 11,766.10-16,243.41-7,287.70

Finding the Fourth Proportional to 11,766.10, 16,243.41 and 7,287.70

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Solution

The fourth proportional to 11,766.10, 16,243.41 and 7,287.70 is: 10,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.10 : 16,243.41 = 7,287.70 : x
  2. Step 2: Convert to fraction form
    11,766.10/16,243.41 = 7,287.70/x
  3. Step 3: Cross multiply
    11,766.10x = 16,243.41 × 7,287.70
  4. Step 4: Simplify right side
    11,766.10x = 118,377,099.06
  5. Step 5: Solve for x
    x = 118,377,099.06/11,766.10
  6. Step 6: Final answer
    x = 10,060.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.