Home / 11,324.80-16,987.11-4,661.25

Finding the Fourth Proportional to 11,324.80, 16,987.11 and 4,661.25

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Solution

The fourth proportional to 11,324.80, 16,987.11 and 4,661.25 is: 6,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.80 : 16,987.11 = 4,661.25 : x
  2. Step 2: Convert to fraction form
    11,324.80/16,987.11 = 4,661.25/x
  3. Step 3: Cross multiply
    11,324.80x = 16,987.11 × 4,661.25
  4. Step 4: Simplify right side
    11,324.80x = 79,181,166.49
  5. Step 5: Solve for x
    x = 79,181,166.49/11,324.80
  6. Step 6: Final answer
    x = 6,991.84

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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.