Home / 14,338.88-21,508.26-5,579.90

Finding the Fourth Proportional to 14,338.88, 21,508.26 and 5,579.90

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Solution

The fourth proportional to 14,338.88, 21,508.26 and 5,579.90 is: 8,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.88 : 21,508.26 = 5,579.90 : x
  2. Step 2: Convert to fraction form
    14,338.88/21,508.26 = 5,579.90/x
  3. Step 3: Cross multiply
    14,338.88x = 21,508.26 × 5,579.90
  4. Step 4: Simplify right side
    14,338.88x = 120,013,939.97
  5. Step 5: Solve for x
    x = 120,013,939.97/14,338.88
  6. Step 6: Final answer
    x = 8,369.83

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1.5x scale

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.