Home / 11,869.44-16,377.60-6,900.48

Finding the Fourth Proportional to 11,869.44, 16,377.60 and 6,900.48

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Solution

The fourth proportional to 11,869.44, 16,377.60 and 6,900.48 is: 9,521.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.44 : 16,377.60 = 6,900.48 : x
  2. Step 2: Convert to fraction form
    11,869.44/16,377.60 = 6,900.48/x
  3. Step 3: Cross multiply
    11,869.44x = 16,377.60 × 6,900.48
  4. Step 4: Simplify right side
    11,869.44x = 113,013,301.25
  5. Step 5: Solve for x
    x = 113,013,301.25/11,869.44
  6. Step 6: Final answer
    x = 9,521.37

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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.