Home / 16,919.05-23,348.10-9,365.44

Finding the Fourth Proportional to 16,919.05, 23,348.10 and 9,365.44

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Solution

The fourth proportional to 16,919.05, 23,348.10 and 9,365.44 is: 12,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.05 : 23,348.10 = 9,365.44 : x
  2. Step 2: Convert to fraction form
    16,919.05/23,348.10 = 9,365.44/x
  3. Step 3: Cross multiply
    16,919.05x = 23,348.10 × 9,365.44
  4. Step 4: Simplify right side
    16,919.05x = 218,665,229.66
  5. Step 5: Solve for x
    x = 218,665,229.66/16,919.05
  6. Step 6: Final answer
    x = 12,924.20

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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.