Home / 11,389.94-17,086.97-5,461.80

Finding the Fourth Proportional to 11,389.94, 17,086.97 and 5,461.80

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Solution

The fourth proportional to 11,389.94, 17,086.97 and 5,461.80 is: 8,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.94 : 17,086.97 = 5,461.80 : x
  2. Step 2: Convert to fraction form
    11,389.94/17,086.97 = 5,461.80/x
  3. Step 3: Cross multiply
    11,389.94x = 17,086.97 × 5,461.80
  4. Step 4: Simplify right side
    11,389.94x = 93,325,585.44
  5. Step 5: Solve for x
    x = 93,325,585.44/11,389.94
  6. Step 6: Final answer
    x = 8,193.69

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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.