Home / 11,579.80-17,369.70-5,747.80

Finding the Fourth Proportional to 11,579.80, 17,369.70 and 5,747.80

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Solution

The fourth proportional to 11,579.80, 17,369.70 and 5,747.80 is: 8,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.80 : 17,369.70 = 5,747.80 : x
  2. Step 2: Convert to fraction form
    11,579.80/17,369.70 = 5,747.80/x
  3. Step 3: Cross multiply
    11,579.80x = 17,369.70 × 5,747.80
  4. Step 4: Simplify right side
    11,579.80x = 99,837,561.66
  5. Step 5: Solve for x
    x = 99,837,561.66/11,579.80
  6. Step 6: Final answer
    x = 8,621.70

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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.