Home / 11,229.64-16,745.40-10,677.80

Finding the Fourth Proportional to 11,229.64, 16,745.40 and 10,677.80

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Solution

The fourth proportional to 11,229.64, 16,745.40 and 10,677.80 is: 15,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.64 : 16,745.40 = 10,677.80 : x
  2. Step 2: Convert to fraction form
    11,229.64/16,745.40 = 10,677.80/x
  3. Step 3: Cross multiply
    11,229.64x = 16,745.40 × 10,677.80
  4. Step 4: Simplify right side
    11,229.64x = 178,804,114.03
  5. Step 5: Solve for x
    x = 178,804,114.03/11,229.64
  6. Step 6: Final answer
    x = 15,922.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.