Home / 11,189.55-16,768.56-8,839.26

Finding the Fourth Proportional to 11,189.55, 16,768.56 and 8,839.26

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Solution

The fourth proportional to 11,189.55, 16,768.56 and 8,839.26 is: 13,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.55 : 16,768.56 = 8,839.26 : x
  2. Step 2: Convert to fraction form
    11,189.55/16,768.56 = 8,839.26/x
  3. Step 3: Cross multiply
    11,189.55x = 16,768.56 × 8,839.26
  4. Step 4: Simplify right side
    11,189.55x = 148,221,661.67
  5. Step 5: Solve for x
    x = 148,221,661.67/11,189.55
  6. Step 6: Final answer
    x = 13,246.44

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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.